A collector's guide to Champion Mine, null: its geology, mining history and notable minerals, illustrated with the 88 specimens documented from this locality on EarthWonders.
Key facts
“Champion Mine” is a collector’s name that needs unusually careful handling. The EarthWonders locality entry represented here is best read as a name-level aggregation rather than a single, unambiguous mine record: the specimens attached to it include material from the Champion Sillimanite Mine on White Mountain Peak, Mono County, California, and native-copper specimens from the Champion Mine at Painesdale, Houghton County, Michigan. Both are real, important, and highly collectable Champion mines—but they are geologically unrelated, nearly 1,900 miles apart, and their labels should never be casually interchanged.
The California Champion is the mineralogical heavyweight for rare-species collectors. It was an andalusite deposit in the White Mountains, worked for refractory aluminum-silicate material used by the Champion Spark Plug Company, and it became famous among mineralogists for a remarkably specialized suite of phosphate, sulfate-phosphate, oxide, and aluminum-silicate minerals. Its best specimens are small but memorable: sharp wine-red to nearly black rutile crystals on pale pyrophyllite or diaspore; pseudocubic tan, cream, yellowish, or pinkish woodhouseite in quartz cavities; blue lazulite-scorzalite masses in white quartz; augelite, trolleite, svanbergite, topaz, barite, corundum, and other rarities in a harsh high-desert setting on the west flank of White Mountain.
Regional View
Country View
The Michigan Champion is the copper side of the same name problem. At Painesdale, in the Keweenaw copper district, the Champion Mine was an underground native-copper mine with four shafts and a long operating history under the Copper Range organization. For collectors its signature is not rare phosphate chemistry but form: copper crystals, wires, and especially elegant spinel-law twins arranged in arborescent, herringbone, fish-skeleton, and spine-and-rib patterns. A fine Painesdale Champion copper has the warm brownish-red patina, sculptural openness, and repeated twin architecture that can make a Lake Superior native copper read almost like a metallic plant.

Photo: Wikimedia Commons, file Woodhouseite-113804.jpg

Photo: Wikimedia Commons, file Rutile-118175.jpg

Photo: Wikimedia Commons, file Copper-c0909b.jpg
Search for specimens: View all specimens from Champion Mine, null
The collector must first separate two distinct “Champion Mine” provenances. The White Mountain Champion Sillimanite Mine is in the White Mountains of Mono County, California, near White Mountain Peak and Jeffrey Mine Canyon. It is also encountered under labels such as Champion Sillimanite Mine, Champion Andalusite Mine, Champion Spark Plug Company Mine, Jeffrey Mine, White Mountain Mine, Vulcanus, and related claim names. The Painesdale Champion Mine is in Adams Township, Houghton County, Michigan, in the Lake Superior copper district, and labels commonly refer to Champion Mine, Painesdale, or Champion Mine, Houghton County.
At the California Champion, the deposit was an andalusite-rich quartz body enclosed in aluminous schistose rock. Published descriptions place the mineralization in a broad altered zone associated with quartz masses, lenses, stringers, segregations, and wall-rock alteration in the White Mountains fault-zone setting. A field description by J. F. Cooper describes an andalusite-rich quartz mass roughly two miles long, 20 to 70 feet thick, striking about N20W and dipping steeply southwest, with altered wall rocks rich in andalusite, diaspore, and corundum. The main ore was hand-sorted and shipped as high-purity andalusite material for refractory ceramic use.
The commercial importance of the California mine came from industrial andalusite rather than precious or base metal ore. Andalusite had become important during World War I for high-temperature ceramic applications, including spark-plug insulators, and the Champion Spark Plug Company explored and developed the remote deposit because of the size and purity of the material. Workings included multiple named Vulcanus workings spread over a wide, steep mountainside; the Vulcanus No. 1 area was the principal working, while the Vulcanus No. 8 area became a separate and important collecting site. USGS resource summaries record about 26,457 tons averaging about 53 percent andalusite mined for the Champion Spark Plug Company between 1920 and 1945, with a 500-foot adit, a 400-foot adit, stopes, and pits among the documented workings.
Specimen mineralization at the California Champion is far more interesting than the industrial ore would suggest. Secondary phosphate and sulfate-phosphate minerals formed in quartz, cavities, fractures, and a distinctive phosphate-rich pegmatitic rock. Woodhouseite is the locality’s great mineralogical calling card: it was first described from the mine and remains the species most closely associated with Champion among systematic collectors. Rutile is the display mineral: sharp, lustrous, dark red to black crystals from the Diaspore Workings and Blackhawk Tunnel, commonly on pale pyrophyllite or diaspore. Quartz is not merely matrix; it is the host for many of the locality’s best woodhouseite, augelite, svanbergite, lazulite-scorzalite, and topaz specimens.
The California mine was difficult from the beginning. The workings sit high on the west flank of White Mountain, with steep approaches, old mule trails, and a collecting terrain that field accounts describe as a bowl: the camp lies below and the productive workings sit high around the rim. The mine had camps, trails, laboratory space, blacksmith facilities, and eventually electricity, but transport remained punishing. Ore, supplies, and equipment had to move over steep mountain trails in a setting that was remote even by Eastern Sierra standards.
The Painesdale Champion Mine is a very different animal: an underground native-copper mine of the Michigan Copper Country. It consisted of four shafts in the town of Painesdale, south of Houghton. The Champion Mining Company was organized in 1899, came under Copper Range Consolidated Company control in 1901, and the mine operated for copper production into the 20th century, closing permanently in 1967. The No. 4 shaft became particularly important historically; the Champion #4 shaft-rockhouse is preserved today as part of the Painesdale Mine & Shaft heritage site.
For specimen purposes, the Painesdale Champion is represented by native copper, copper with prehnite or other gangue, cuprite-associated copper, and related Copper Country species such as chalcocite, anilite, datolite, calcite, and minor copper secondary minerals. Its finest crystallized coppers are recognizable enough that serious collectors treat them as a named style: spinel-twinned copper crystals and repeated parallel twins forming open, ribbed, herringbone sprays and branching structures. These are not spinel the mineral; they are native copper crystals displaying spinel-law twinning.
Modern collecting access should be approached conservatively for both localities. The California Champion has a long history as a mineral-collecting destination, but its land and claim history is complicated, the terrain is steep, and old workings and collapsed tunnels present real hazards. The Painesdale Champion is an historic mine and heritage site rather than a free-for-all collecting dump; tours and preservation are part of the present-day context. Any field visit should begin with current land status, local permission, and safety rules—not with an old label or an old field-trip description.
Copper in this EarthWonders grouping refers to the Champion Mine at Painesdale, Houghton County, Michigan, not the White Mountain andalusite mine in California. The classic Champion copper habit is native copper in wires, branching arborescences, and especially spinel-law twinned crystals arranged along central spines; good examples show repeated rib-like twins, herringbone or fish-skeleton architecture, and a natural brownish-red to reddish patina, sometimes with brighter cuprite tones or tiny calcite/prehnite associations. Sizes range from thumbnails only a few centimeters tall to small-cabinet and cabinet pieces, but the premium is not simply size: the best pieces are open, three-dimensional, crystallized, and balanced, with intact twin tips and an unstripped surface rather than acid-brightened copper.
Rutile is one of the defining specimen species of the California Champion Sillimanite Mine, especially from the Diaspore Workings and the Blackhawk Tunnel. The sought-after crystals are sharp, lustrous, deep red-brown, wine-red, or nearly black prisms and twins, commonly perched on or embedded in pale pyrophyllite, diaspore, or altered aluminous matrix; documented crystals from the Diaspore Workings reached about 2 inches across, with somewhat smaller examples from the Blackhawk Tunnel. Fine pieces separate themselves by complete crystal form, bright faces, red internal reflection in strong light, contrast against pale matrix, and minimal edge wear, whereas ordinary pieces tend to be embedded, iron-stained, broken, or visually lost in massive diaspore-pyrophyllite rock.
True spinel, MgAl2O4, is not a verified hallmark species of the Champion Sillimanite Mine assemblage, and the “Spinel” relevance in this EarthWonders grouping appears to come from Painesdale Champion native copper described as spinel-twinned. Collectors should read such labels as crystallographic terminology: copper twins following the spinel law, not specimens of the mineral spinel. The best “spinel” items under this locality are therefore copper specimens with repeated twinned blades or rods, curving central spines, herringbone branching, and clean three-dimensional copper architecture; they should be cataloged as Copper, spinel-twinned, from Champion Mine, Painesdale, Houghton County, Michigan, rather than as Spinel from the California Champion Mine.
Woodhouseite is the signature rare mineral of the California Champion Sillimanite Mine and the reason the locality belongs in every serious systematic collection. It occurs in fractures and cavities in quartz as transparent to translucent pseudocubic rhombohedra, generally colorless, white, cream, tan, pale yellow, pale orange, or pale pink, with some pinkish material known to be strontium-bearing. Most crystals are only a few millimeters, but Champion material can be rich and showy by rare-phosphate standards: the best specimens carry sharp, lustrous, tan to pinkish crystals scattered or carpeted across quartz fissure surfaces, with especially attractive examples showing woodhouseite on prismatic quartz crystals or in open vugs with enough contrast to display the pseudocubic habit clearly.
Quartz at the California Champion is both host rock and specimen matrix, and its role is central to the locality’s aesthetic. It occurs as massive bull quartz, crystal-lined cavities, seams, pods, intergrown quartz vugs, and prismatic crystals in the andalusite-bearing schist and quartz body; some crystals are normal bipyramidal prisms, others are tabular from flattening on a pair of prism faces, corroded or rounded, bent into curving forms, or locally developed as small orange crystals over older white quartz at the Vulcanus No. 8 Tunnel. The best Champion quartz specimens are not valued as ordinary quartz crystals, but as the pale architectural stage for woodhouseite, augelite, svanbergite, schorl, lazulite-scorzalite, and rutile dustings; crisp pockets with rare phosphate crystals on clean quartz are far more desirable than massive, stained quartz with only sparse mineralization.
Other documented California Champion minerals make the locality far richer than the five species above suggest. Andalusite was the ore mineral and occurs as blue-gray to pale green prismatic masses, sometimes with pyrophyllite; augelite was the first known United States occurrence and was found as colorless tabular crystals in quartz cavities and in the phosphate-rich rock; svanbergite, including orange pseudocubic material from the Vulcanus No. 8 area, represents another important sulfate-phosphate occurrence; lazulite and scorzalite produce dark-blue masses and occasional crystals in quartz; trolleite forms blue to greenish-blue material with augelite and alunite-group minerals; and the locality has also produced barite, topaz, corundum, diaspore, muscovite, pyrophyllite, pyrite, goethite, jarosite, fluorite, tourmaline including fine hair-like schorl, natroalunite, crandallite, goyazite, strengite, phosphosiderite, fluorapatite or carbonate-fluorapatite, fluorellestadite, viseite, halotrichite, hematite, ilmenite, and native sulfur. Several of these require analysis for confident identification, particularly members of the lazulite-scorzalite and alunite-svanbergite-woodhouseite relationships.
The most important authenticity issue is locality precision. “Champion Mine” alone is not enough. A copper specimen labeled only Champion Mine may be from Painesdale, Michigan; a woodhouseite, rutile, augelite, andalusite, or lazulite-scorzalite specimen should be from the Champion Sillimanite Mine or White Mountain Champion in Mono County, California. Conversely, a “woodhouseite from Champion Mine, Michigan” label should be treated as an obvious locality error unless a separate and well-documented explanation exists. For cataloging, a responsible label should include the state and county at minimum.
The “Spinel” problem is especially easy to perpetuate in digital catalogs. In the context of the Painesdale Champion copper specimens, “spinel-twinned” describes the twinning law of native copper. It does not mean the specimen contains spinel crystals. Serious collectors should catalog these as native copper, spinel-twinned, and should avoid letting “spinel” migrate from a habit descriptor into the species field.
California Champion woodhouseite and related phosphate specimens are often small, matrixy, and easy to overvalue if the buyer is not inspecting the actual crystal coverage. Look for sharp, lustrous pseudocubic crystals in open cavities or on quartz faces; ask for macro photographs, not just whole-specimen views. Rich plates with crystals on both sides, pale pink to tan coloration, or attractive quartz association are more desirable than chalky, sparse, or crushed material. Because woodhouseite, svanbergite, crandallite, goyazite, natroalunite, and related alunite-supergroup or phosphate species can resemble one another in small crystals, analytical confirmation or trustworthy old provenance matters for high-value pieces.
Champion rutile is typically robust compared with fragile acicular rutile localities, but condition still matters. The crystals are commonly embedded or partly attached to pyrophyllite and diaspore, and sharp edges can show small chips. Iron staining and bruised pyrophyllite matrix are common. Good rutile should have strong luster, recognizable crystal form, and ideally a reddish internal glow when backlit; a black broken prism in altered rock is much less desirable.
Michigan Champion copper requires a different eye. Old Lake Superior copper is often cleaned, acid-brightened, lacquered, or stripped of its natural patina; the best Painesdale Champion pieces usually retain a warm brownish-red surface and visible crystal structure. Be suspicious of unnaturally bright orange-pink copper unless the cleaning history is disclosed. Repairs are possible on branching copper, and matrix remnants, calcite druse, or prehnite should be checked carefully around attachment points. Herringbone coppers command premiums when open, undamaged, aesthetic, and clearly spinel-twinned.
Availability is uneven. Champion copper appears periodically because Michigan copper has long circulated through old collections and dealer inventories, but top herringbone-style pieces remain competitive. California Champion rutile and woodhouseite are far less abundant in attractive quality; many specimens are old, self-collected, or from limited field recoveries, and good examples tend to move through specialized rare-mineral and classic-locality channels rather than bulk inventories.
The California Champion began as an industrial answer to a very specific 20th-century problem: how to make ceramic parts that could survive heat. During World War I, andalusite became valuable for high-temperature porcelain, and Champion Spark Plug interests pushed into the White Mountains because the deposit was unusually pure. The mine was not an easy place to industrialize. Trails, camps, shops, laboratories, and eventually power had to be imposed on a steep, dry mountainside above Owens Valley country. The ore was not hauled out by convenient rail spur from the portal; the operation depended on old mule routes, steep approaches, and a supply chain that seems improbable today.
Field accounts give the place a memorable geometry. The Champion Sillimanite Mine workings sit like a mineralized rim around a rough mountain bowl: camp below, prospects and dumps above, and the collector repeatedly climbing from the bottom toward the productive quartz and andalusite exposures. One description captures the psychological trick of the place—your base camp may already be high, around 8,700 feet, yet the specimens you came for are still about 1,000 feet above you. That single fact explains why Champion material is often modest in size: the country selects for collectors who are patient, fit, and willing to study small pockets with a hand lens rather than pry out boulders for casual trimming later.
The old mine was also a mineralogical classroom. During the later working years, C. D. Woodhouse served as mine manager and Dwight M. Lemmon as chemist. The two men were in the right place at the right time: a commercial andalusite operation was breaking open quartz, phosphate seams, and altered aluminous rock that no systematic collector would have exposed on that scale. Lemmon’s 1937 description of woodhouseite fixed the locality permanently in mineralogical literature, and the new species was named for Woodhouse, who was not merely a manager but a collector with a serious mineralogical eye.
The White Mountain Ranch formed part of the mine’s support system, raising food and fodder for the operation. Later accounts even preserve the notion that W. E. Jeffrey, president of the Champion Spark Plug Company, may have helped keep the remote operation alive beyond strict industrial necessity because he enjoyed the ranch and maintained a cabin at the lower camp. Whether that theory is the full explanation or not, it fits the odd personality of the place: a spark-plug company mine in high desert mountains, sustained by mule trails, a ranch, and a surprising concentration of rare phosphate chemistry.
The Painesdale Champion story has a different tone: deeper shafts, industrial copper, and the survival of an enormous built relic. Champion #4 is remembered not for alpine hardship but for the architecture of Michigan copper mining—the shaft-rockhouse, hoist house, captain’s office, and records of a company town built around copper. The mine worked to thousands of feet down the incline, closed permanently in 1967, and later became a preservation focus. For collectors, the most vivid survival is not only the building but the copper habit: those arched, ribbed, spinel-law-twinned native copper specimens that look less like chunks of ore than fossilized metallic skeletons.