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Chemical Composition:  Be3Al2(SiO3)6, Beryllium Aluminum Silicate
Crystal Structure:            Hexagonal 
Gems are generally found in pegmatites or in alluvium.
4.20 cts. Cushion green-blue beryl single
  x Pieces: Beryl x x Type: 100% Natural
  Color: Green-blue   Shape: Cushion faceted
  Weight: 4.20 Carats   Size: 11.8 x 9 x 6.9 mm.
  Clarity: FL   Luster: Excellent
  Treatment: None (N)   Origin: Madagascar
Tone scale: light green-blue   Refr. Index: 1.57 - 1.60   Hardness 8
Depth: 6.9 mm.
Stone price: SOLD










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Hardness: 7.5 - 8
Specific Gravity: 2.67 - 2.84
Refractive Index: 1.57 - 1.60   Visual Catalog
Chemical Composition: Be3Al2(SiO3)6, Beryllium Aluminum Silicate    Cutting Styles
Crystal Structure: Hexagonal      Ask a question
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