gems and rocks

Cuprite, a copper mineral that was not known until 1845, is a secondary mineral of oxidizing sulfide-rich copper deposits. It's symmetry is in the Isometric system, but this specimen looks to have unequal axes of symmetry. This slightly more than one inch crystal is from Bisbee, Arizona.

Cuprite, a copper mineral that was not known until 1845, is a secondary mineral of oxidizing sulfide-rich copper deposits. It's symmetry is in the Isometric system, but this specimen looks to have unequal axes of symmetry. This slightly more than one inch crystal is from Bisbee, Arizona.

Vanadinte on Barite // Coud’a, Mibladen, Khénifra, Meknès-Tafilalet, Morocco

Vanadinte on Barite // Coud’a, Mibladen, Khénifra, Meknès-Tafilalet, Morocco

Rutile crystals on Hematite... This is nature at her best... This is art to me.

Rutile crystals on Hematite... This is nature at her best... This is art to me.

Delicate spray of redgillite crystals from Eaglebrook Mine, Wales / photo by D.I. Green

Delicate spray of redgillite crystals from Eaglebrook Mine, Wales / photo by D.I. Green

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