The Arkenstone

Gypsum (twinned) on Gypsum

Cuprian Adamite on Calcite

Bournonite with Quartz (recent elongated style)

Fluorite on Quartz

Pyrite and Quartz

Malachite (2 generations)

Pyromorphite cast after Cerussite

Columbite-(Fe)

Vanadinite

Ludlamite

Prehnite Cast After Anhydrite

Azurite

Hematite

Stellerite, Epistilbite, Fluorapophyllite

Fluorite on Quartz

Danburite with Tourmaline and Stilbite

Plumbogummite

Malachite (Primary)

Sulfur

Goethite/Hematite mix. Ps. Calcite

Prehnite

Vivianite on Siderite

Neptunite with Benitoite on Natrolite

Chrysocolla on Quartz

Wakabayashilite on Calcite

Bixbyite on Topaz

Ilvaite With Quartz Included By Hedenbergite

Pyrite with Calcite

Sturmanite

Fluorite on Sphalerite on Baryte

Pyrite ps. after gastropod

Quartz

Cerussite (twinned)

Rhodochrosite

Serandite

Topaz

Calcite

Tourmaline var. Achroite (rough and cut set)

Azurite rose

Diaspore

Cavansite with Heulandite and Calcite

Acanthite Ps. Argentite

Rutile

Fluorapatite

Siderite with Pyrite

Chrome Tremolite

Witherite With Alstonite

Fluorapatite

Smithsonite

Arsenopyrite and Chalcopyrite

Linarite

Chalcocite

Elbaite Tourmaline

Rhodochrosite on Quartz

Topaz

Fluorite with Calcite

Pargasite in Marble

Mimetite (Gem Pocket 1971)

Pyromorphite