Green Zebra Jasper

These materials belong to the family of quartz. Jasper (word of Persian origin) is a mono-mineralogical sedimentary rock, consisting of a single mineral composed of quartz (SiO2), and often contains impurities, usually iron atoms that give the rock vibrant colorings, making it sought as semi-precious stone
Chemical composition: SiO2 + Fe, O, H, Si
Hardness: 7
Density: 2,65-2,70 g/cm³
Family:
Origin: Madagascar, Brasil

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