Welcome To Ashstone Exports LTD

  • Nigeria

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Welcome to Ashstone Exports LTD

At Ashstone Exports Ltd, we are committed to sustainability, ethical sourcing, and long-term growth. We exist to unlock Nigeria’s economic potential and deliver value to partners across continents. Our story is one of quality, integrity, and ambition—driven by a belief that Africa’s resources can fuel global industries.

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  • House 2 Amasom 18 Bishop Edward Benson street Ogudu GRA phase 2

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Chrysobery

Ashstone Exports Ltd

Chrysobery

Property Specification
Chemical Formula BeAl₂O₄ (Beryllium Aluminum Oxide)
Crystal System Orthorhombic
Hardness (Mohs) 8.5
Specific Gravity 3.70 – 3.78
Cleavage Distinct in one direction
Fracture Conchoidal to uneven
Luster Vitreous to subadamantine
Transparency Transparent to translucent
Refractive Index 1.746 – 1.755
Color Yellow, green, brown, colorless (often yellow-green)
Streak White
Tenacity Brittle
Crystal Habit Tabular or prismatic crystals, often twinned
Pleochroism Weak to moderate
Birefringence 0.008 – 0.010
Dispersion 0.015