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How's this lovely Mimetite, From The Congresso-Leon Mine, San Pedro Corralitos, Chihuahua, Mexico.

How's this lovely Mimetite, From The Congresso-Leon Mine, San Pedro Corralitos, Chihuahua, Mexico.

Red-Copper Pyrite on "Poker Chip" Calcite - Mineral Specimen from Hunan, China

This is the finest example of a pyrite on "poker chip" calcite we've ever seen! The first thing that stands out about this one is the color of the pyrite which is a very reddish copper color, and it stands out against the white calcite crystals.

Cavansite with calcites

Calcite on Cavansite - Wagholi Quarry, Wagholi, Pune District (Poonah District), Maharashtra India.

Minerals, Crystals & Fossils - Rare Tungstibite on Quartz matrix - Clara Mine,...

Minerals, Crystals & Fossils - Rare Tungstibite on Quartz matrix - Clara Mine,.

Diopside and Garnet, Testa Ciarva, Pian della Mussa, val d'Ala, Torino province, Piedmont, Italy. Dimensions: 55x32x35mm. Red hessonite crystals, very brilliant, on rodingite matrix, associated to greenish Diopside

Diopside and Garnet, Testa Ciarva, Pian della Mussa, val d'Ala, Torino province, Piedmont, Italy. Dimensions: 55x32x35mm. Red hessonite crystals, very brilliant, on rodingite matrix, associated to greenish Diopside

Dom Pedro Aquamarine - The world's largest cut and polished aquamarine. Housed in the permanent collection of the Houston Museum of Natural Science. The finished piece is nearly 14 in tall and weighs 10,363 carats, or about 5 lbs. It is estimated to have $ 5-6 million worth of auquamarine in it.

Dom Pedro Aquamarine - The world's largest cut and polished aquamarine. Housed in the permanent collection of the Houston Museum of Natural Science. The finished piece is nearly 14 in tall and weighs carats, or about 5 lbs. It is estimated to have