Topazolite specimens for sale

3 for sale ยท $80โ€“$3,800 USD

28 in the gallery

Topazolite is a calcium iron silicate mineral that occurs in igneous and contact-metamorphic settings. It typically forms as granular to prismatic crystals and radiating aggregates, displaying a vitreous to resinous luster and colors ranging from olive-brown to yellowish-green. When well-formed, crystals can exhibit distinct faces and a relatively high refractive index that gives specimens a noticeable sparkle under light. Notable localities include Madagascar, the United States, Pakistan, Italy, and China, where hydrothermal and skarn environments contribute to the formation of well-crystallized material.

Formula
Ca3Fe3+2(SiO4)3
Rarity
Rare
Stability
Stable
Collector interest
Very High Interest
Classification notes
Nesosilicate; Garnet group (garnet supergroup)

Key characteristics

Crystal system
isometric
Mohs hardness
6.5โ€“7
Specific gravity
3.8โ€“3.9
Luster
vitreous, resinous
Transparency
transparent, translucent
Color
yellow, green, brown
Streak
white
Cleavage
none
Fracture
conchoidal, uneven
Crystal habit
dodecahedral, equant, granular, massive
  • Gem mineral

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Where Topazolite is found

Top localities

  1. Antetezambaro3 specimens
  2. Pakistan1 specimen
  3. Antetezambato Demantoid-Topazolite Mine1 specimen
  4. CaraลŸ-Severin County1 specimen
  5. Fushan Mine1 specimen
  6. Ghundao hill1 specimen
  7. Marki Khel1 specimen
  8. Mussa Alp1 specimen
  9. New Idria Mining District1 specimen
  10. San Benito County1 specimen

About Topazolite

Collectors prize topazolite for its classic olive hues and the durability of its crystals. Specimens often accompany other silicate minerals, adding context to the geological history of the locality. While not as widely offered as some more common silicates, the best crystals can be striking in size and clarity, making them appealing for display and study. For mineral enthusiasts, topazolite provides a tangible link to complex mantle- and crustal processes reflected in its composition and habit.