Bloodstones are a darkish green style of chalcedony that's characterized through the darkish crimson splatters visible in the course of it. This gem is a cryptocrystalline quartz and has a hardness of approximately 6.5-7.0 on the Mohs scale of hardness. Inclusions, of amphibole and chlorite make a contribution to the green a part of this gemstone, but, the splashes of purple are because of concentrations of iron. Normally, bloodstone have a vitreous to glassy luster.

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