Leopard Skin Jasper Ore On White Background. Jasper, An Aggregate Of Microgranular Quartz And/Or Chalcedony And Other Mineral Phases, Is An Opaque,Impure Variety Of Silica, Usually Red, Yellow, Brown Or Green In Color; And Rarely Blue. The Common Red Color Is Due To Ironiii Inclusions. The Mineral Aggregate Breaks With A Smooth Surface And Is Used For Ornamentation Or As A Gemstone. It Can Be Highly Polished And Is Used For Vases, Seals, And Snuff Boxes. The Specific Gravity Of Jasper Is Typically 2.5 To 2.9.Along With Heliotrope Bloodstone, Jasper Green With Red Spots Is One Of The Traditional Birthstones For March. Jaspilite Is A Banded Iron Formation Rock That Often Has Distinctive Bands Of Jasper.

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