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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.