Aquamarine (Beryl) with Muscovite on Feldspar - Specimen poprok mine Skutterudite is a cobalt arsenide

Skutterudite is a cobalt arsenide mineral first named after Skutterud

while the cut surface shows the heavier mineral replacement and preserved internal bone texture

Mined from: Trona

The Democratic Republic of the Congo is one of the world’s best-known sources for collector-grade dioptase

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Aquamarine (Beryl) with Muscovite on Feldspar - Specimen poprok mine Skutterudite is a cobalt arsenideMined from: Shigar Valley, Skardu District, Gilgit Baltistan, Pakistan Description: This one of a kind Aquamarine specimen from Pakistan features several pale blue to blue green Aquamarine crystals growing from a white Feldspar rich matrix. The main Aquamarine crystal shows a blocky prismatic form with flat terminations, natural surface etching, internal veils, and fine lengthwise striations. Smaller blue Beryl crystals are visible across the