Mineral Cavansite Specimens

A few noted items to include a piece of natural gold in quartz, uranium malachite, turquoise, fuchsite ruby, cavansite, and much more.

Mineral specimens including appophyllite, creedite, calcite, vesuvianite, hemimorphite, delafossite, cavansite, stilbite, sodalite, barite and more.

probably cavansite rosettes on stilbite terminations and other mineral matrix, 18 x 8-1/2 x 3-1/2 in. Provenance: The Estate of Peter H. Tillou, Litchfield, Connecticut

Cavansite and Stilbite on Huelandite India 7oz

Cavansite on Huelandite India 3.6oz

Cavansite on Stilbite India

Cavansite on Stilbite India 2.8oz

Cavansite Crystal India Charlie Hall Collection

Cavansite 13g

Cavansite and Stillbite .9oz

Cavansite on Stilbite India 1.4oz

Cavansite Crystals on Matrix 1oz

2 mineral specimens with parent rock, fab spectrum from whitish-transparent to smoky-violet, bumped, to approx. 15 x 24,5 x 18 cm

Art by God, Natural History Crystal Quartz Mineral Specimens. Near matched pair of deep purple Amethyst cathedrals. Not only are these geodes stunningly beautiful, they also give off a vibration of po

21 mineral and other Earth science specimen sets, including Scientific Apparatus & Supplies Co., Inc. and New York Scientific Supply Co. Sets with mineral specimens including How Soils Are Formed, How

3 PCS MINERAL SPECIMENS

7 PCS. MINERAL SPECIMENS

Eight pieces, Monstly Pequa rare minerals, including: Galkite XLS, Gustavite, Poubaite & Soucekite, Chabourneite, Sakuraiite, Vajdakite, Stutzite, and Rheniite. all cabinet size.

A group of beautiful display specimens includes Amethyst, a purple variety of quartz (~9 x 3 x 3.5 inches, ~1.8 pounds); a beautiful pale-blue Celestite, a strontium sulfate (~3.75 x 3.25 x 2.75, ~601

Large Lot of Rock & Mineral Specimens Cataloged Boxes. This lot includes around 100 specimens of rocks and minerals, each carefully cataloged and placed inside of cardboard boxes. The specimens ar

Collection mineral specimens, incl geodes & slices, (23) pieces, incl. geode spheres with minerals partially exposed, polished agate slices, fragmented pieces of agatized coral, Fushchite, Rhodochrosi

to include: blue kyanite, amethyst flower, deep green tourmaline in a quartz matrix, possibly blue-green dogtooth calcite, semi-translucent scolecite spray specimen, possibly blue barite spray on limo

United States,20th Century Collection of over seventy three mineral specimens including amethyst, galena, chalcopyrite, obsidian, fluorite, chalcedony, vanadinite, sulfur, petrified wood, gypsum, born

Lot of mineral specimens, including celestine, amethyst, quartz. Largest quartz specimen 8"W.