Gemas & pedras - nomes e cores 1.

Gemas & pedras - nomes e cores 1.

Precious gems

Precious gems

Aragonite, Fluorite.  Locality: Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia.  Size: large cabinet, 17.1 x 7.4 x 5.3 cm

Aragonite, Fluorite. Locality: Dal'negorsk (Dalnegorsk; Tetyukhe; Tjetjuche; Tetjuche), Primorskiy Kray, Far-Eastern Region, Russia. Size: large cabinet, 17.1 x 7.4 x 5.3 cm

Gemas & pedras - nomes e cores 2.

Gemas & pedras - nomes e cores 2.

ametrina: Outubro 2010

ametrina: Outubro 2010

Cores

Cores

Gemstones chart

Gemstones chart

Liddicoatite, a rare member of the tourmaline group of minerals.

Liddicoatite, a rare member of the tourmaline group of minerals.

The Phenomenal Properties of Gems. GIA (081114)

The Phenomenal Properties of Gems. GIA (081114)

Tanzanite. Merelani Mine, Arusha, Tanzania

Tanzanite. Merelani Mine, Arusha, Tanzania

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