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Related knowledge:

Correct pronunciation of??H??I??y，??O??sh，

The main components of??aqueous 1-2%，??the chemical composition of SiO2??(H2O).

The six??hexagonal??crystal system

The melting point of 1713 DEG C

Hardness of 5.5

The proportion of the 2.35

The refractive index??1.48-1.51

Origin: Mexico

Obsidian??extreme exorcise evil spirits，??can strong defuse negative energy，??is now for Buddha practices??Busch best gem.??Obsidian??can helpdischarge??disease gas，??foul smell??of the body，??relieve discomfort，??for the body??and personal fortune on a great help??to ward off evil spirits，??fierce，put in the??Home Furnishing，??a town house??for??help??sleep，??easy to??fall asleep.

Obsidian??can??prevent the villain，??disease gas，??oil and gas，??these??negativeenergy to??own??bury the body??evil Hua Sha，??is a very good??amulet，??bad luckcan??transport??people wearing.

Obsidian??strongest absorption??of negative energy，??there is evil，??cleaningthe body??mixed gas??effect.??Bring a person healthy，??happy，??normal life，"KINGBOX Samurai"??reputation.??Strong??and powerful??energy，??can be used as a??talisman，??and more??overcast??and the need to place??the night work，??wearable??contamination avoidance??of negative energy.