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Mineralati

Gemstones · variety

Emerald

Be3Al2Si6O18

A variety of Beryl.

Emerald on Quartz - KAGEM-1 - Kagem Emerald Mine - Zambia Mineral Specimen

Emerald on Quartz - KAGEM-1 - Kagem Emerald Mine - Zambia Mineral Specimen — via www.irocks.com · Source

Overview

Green chromium/vanadium-bearing beryl variety.

Identification characteristics

  • Mohs hardness 7.5–8
  • Streak: White
  • Lustre: Vitreous

Formation and occurrence

Pegmatites, schists

Common uses

Jewellery