Welcome To Ashstone Exports LTD

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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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Zinc Ore

Ashstone Exports Ltd

Zinc Ore

Attribute Specification
Common Name Zinc Ore (commonly known as Sphalerite)
Mineral Name Sphalerite (ZnS - Zinc Sulfide)
Chemical Formula ZnS (Zinc Sulfide)
Color Yellow, brown, black, green, or red (depending on impurities)
Luster Vitreous to resinous
Form Solid, crystalline, granular, or massive
Crystal System Isometric (cubic)
Density 3.9 to 4.1 g/cm³
Hardness 3.5 to 4 on the Mohs scale
Cleavage Perfect cleavage in one direction
Fracture Conchoidal to uneven
Streak White to pale yellow
Melting Point 1,185°C
Solubility Insoluble in water, soluble in dilute acids
Zinc Content 40% to 60% (depending on the ore quality)
Iron Content 2% to 10% (can vary depending on ore type)
Sulfur Content 15% to 30% (typically)