Mineral Specimens and Shark Teeth

Art by God. A natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Large maw like opening to front, giving the impression of an emerging shark's head with smaller ope

Rio Grande Do Sul, Brazil. Large and attractive example. 7 kg. 43cm wide. Keywords: Rock, Mineral, Gemstone, Gem, Rough, Raw, Specimen, Natural

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.

14 Clear Quartz Crystals, Two Pseudocrocidolite, One Citrine, One Pyrite, One Fluorite, One Black Quartz, Largest Height 4, Width 5, Depth 4 Inches, All With Natural Inclusions And Flakes, Clean And P

Tray of Pink Garnet (Grossularite garnet) Morelos, Mexico. Melanite from California with bright dark crystal Garnets. Blue Lapis. Many uncut semi precious stones loose and in matrix. From the Estate o

A four drawer case with a nearly complete set of specimens (seven missing) and another identical case with unlabeled and jumbled specimens. Dimensions: Each case is 13" x 20" x 9". Provenance: From a

South Africa agate (78 g), black tourmaline crystal (68 g), agate geode (Brazil), aquamarine specimen in black tourmaline (Afganistan, 110 ct), red tourmaline quartz (53 g), green tourmaline crystals

Group (4) Mineral specimens, Including large, pink stilbite crystal on matrix from India; green flourite with sphalerite from China; vanadinite on matrix from Morocco; and clear quartz with large pyri

5 FOSSIL AND MINERAL SPECIMENS

7 PIECES MINERAL SPECIMENS

11 PCS MINERAL SPECIMENS

5 PCS MINERAL SPECIMENS

Five large natural selenite rock crystal gypsum quartz mineral specimens. Largest: 20" L x 5" W. Provenance: Property from an Upper East Side townhouse.