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Beautiful Elestial Fenster Quartz 252grams fully terminated single piece from balochistan Pakistan. Credit: Star Gemx And Jewellery Amazing Geologist

Beautiful Elestial Fenster Quartz 252grams fully terminated single piece from balochistan Pakistan. Credit: Star Gemx And Jewellery Amazing Geologist

Jeremejevite from Ameib Farm, Usakos, NE of Swakopmund, Erongo Region, Namibia

Jeremejevite from Ameib Farm, Usakos, NE of Swakopmund, Erongo Region, Namibia

Cumengeite (Pb21Cu20Cl42(OH)40·6H2O) is closely related to Boleite, an isometric halide. Here, the cubic Boleite has a tetrahedron of Cumengeite, creating a very uniquely shaped specimen.

Cumengeite (Pb21Cu20Cl42(OH)40·6H2O) is closely related to Boleite, an isometric halide. Here, the cubic Boleite has a tetrahedron of Cumengeite, creating a very uniquely shaped specimen.

Jeremejevite with Tourmaline from Ameib Ranch, Arandis, Erongo Region, Namibia [db_pics/pics/j13c.jpg]

Jeremejevite with Tourmaline from Ameib Ranch, Arandis, Erongo Region, Namibia [db_pics/pics/j13c.jpg]

Fue descubierta por primera vez en 1967, y es muy apreciada en la joyería de alto valor de consumo. Se caracteriza por un fuerte tricoísmo (variedad de colores) que pueda abarcar el azul zafioro, el violeta o el verde; e incluso, en algunas muy raras (dentro de lo raro de la piedra), el marrón, el amarillo y el ámbar; en ambos casos según la orientación del cristal.

Fue descubierta por primera vez en 1967, y es muy apreciada en la joyería de alto valor de consumo. Se caracteriza por un fuerte tricoísmo (variedad de colores) que pueda abarcar el azul zafioro, el violeta o el verde; e incluso, en algunas muy raras (dentro de lo raro de la piedra), el marrón, el amarillo y el ámbar; en ambos casos según la orientación del cristal.

Jeremejevite. Ameib Ranch, Arandis, Erongo Region, Namibia,

Jeremejevite. Ameib Ranch, Arandis, Erongo Region, Namibia,

So, what is cobaltoan calcite? It’s calcite (which is a calcium carbonate mineral) that has an added component of CO2 (carbon dioxide).  BTW, calcium carbonates are a common component in rocks all over our planet. They are the primary composition of marine life, snails, eggshells and pearls (the birthstone of June)

So, what is cobaltoan calcite? It’s calcite (which is a calcium carbonate mineral) that has an added component of CO2 (carbon dioxide). BTW, calcium carbonates are a common component in rocks all over our planet. They are the primary composition of marine life, snails, eggshells and pearls (the birthstone of June)

The Green Phantom // check out this geometric caped crusader of Fluorite, another amazing crystal treasure posted by @therockhuntress. It a large chunk of gem fluorite with a green "phantom" zone inside it showing (very colourfully) the crystalline stages of its growth.

The Green Phantom // check out this geometric caped crusader of Fluorite, another amazing crystal treasure posted by @therockhuntress. It a large chunk of gem fluorite with a green "phantom" zone inside it showing (very colourfully) the crystalline stages of its growth.

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