Fancy Jasper Tumblestone Collectable Gemstone (SINGLE UNIT)

Curious Minds · Compare 1 offer · GTIN 05060285967318

Jasper is an opaque, impure variety of silica, primarily composed of microgranular quartz and/or cryptocrystalline chalcedony. With a density typically ranging from 2.5 to 2.9 g/cm³. It is classified as a sedimentary or, in some cases, volcanic rock, containing 80–95% silica, often with minor amounts of clay or other mineral inclusions. Its composition includes radiolarians cem...