mineral
Beryl in Quartz Matrix
Beryllium Aluminum Silicate (Be3Al2Si6O18)
Hardness: 7.5-8.0 (Beryl), 7.0 (Quartz); Color: Pale green to white; Luster: Vitreous/Glassy; Crystal Structure: Hexagonal crystals in massive quartz; Specific Gravity: 2.6-2.9
- Hardness
- 7
- Color
- Pale green to white
- Luster
- Vitreous/Glassy
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Physical properties
Hardness: 7.5-8.0 (Beryl), 7.0 (Quartz); Color: Pale green to white; Luster: Vitreous/Glassy; Crystal Structure: Hexagonal crystals in massive quartz; Specific Gravity: 2.6-2.9
Formation & geological history
Formed in granitic pegmatites through hydrothermal processes where beryllium-rich fluids crystallize in vugs or veins among quartz and feldspar.
Uses & applications
Source of beryllium metal for aerospace/electronics, gemstone specimen (emerald/aquamarine family) for collectors.
Geological facts
Beryl is the primary ore for Beryllium, a metal lighter than aluminum but stronger than steel. When beryl is deep green, it is known as Emerald.
Field identification & locations
Look for hexagonal prismatic crystals (6-sided) embedded in glassy quartz. Common in pegmatite-rich regions like Brazil, Russia, and New England (USA).
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Green Apatite on Albite
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mineral