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Rubelita, quartzo. Brasil

Rubelita, quartzo. Brasil

A COR DA VIDA NAS MENORES COISAS. Fotos de grãos de areia super-ampliadas

Fotos de grãos de areia super-ampliadas

A COR DA VIDA NAS MENORES COISAS. Fotos de grãos de areia super-ampliadas

Flower Amethyst More

Flower Amethyst More

Pietersite

Pietersite

Top 10 pedras preciosas multicoloridas

Sand under a microscope

Sand under a microscope

Blue Topaz with Lepidolite

Blue Topaz with Lepidolite

Amazing colorful Agate from Gyöngyöstarján, Hungary  Collection & Photo: Tivadar Pécsi

Amazing colorful Agate from Gyöngyöstarján, Hungary Collection & Photo: Tivadar Pécsi

Marcasite (a sulfide mineral sometimes called white iron pyrite) with Pyrite, Arsenopyrite, Calcite and Dolomite. Marcasite and Pyrite are polymorphs. They have the same mineral composition but different crystal structures. Pyrite has a cubic structure and is hard enough to be used in jewelry, while Marcasite has an unstable orthorhombic crystal structure and is liable to break apart. / Mineral Friends <3

Marcasite (a sulfide mineral sometimes called white iron pyrite) with Pyrite, Arsenopyrite, Calcite and Dolomite. Marcasite and Pyrite are polymorphs. They have the same mineral composition but different crystal structures. Pyrite has a cubic structure and is hard enough to be used in jewelry, while Marcasite has an unstable orthorhombic crystal structure and is liable to break apart. / Mineral Friends <3

Rose Quartz - Minas Gerais, Brazil

Rose Quartz - Minas Gerais, Brazil

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