Name: Natural Obsidian Crystal Ball Color: Black Weight: Ball weight = 0.65kg (1.43lbs) (2.1lbs) Package: 1X Oversized crystal ball, 1X Wood Stand, Description: - This crystal ball is Super large and gorgeous, mysterious, perfectly weighted, and very high quality. - With no imperfections or scratches, and it is completely clear. - The stand is nice quality with a little bit of red velvet where the ball rests to make sure it doesn't get scratched by the stand. - The whole thing came in a lovely red cardboard box Package include: - 1X Oversized crystal ball - 1X Wood StandGift box needs to be purchased separately Material introduction: Obsidian (Obsidian) also known as the ten Sheng Shi, is a naturally occurring glass. The cause of it is that the crystal structure does not have enough time to grow because of the rapid cooling of the lava. Because the periphery of the cooling lava flow is the fastest, so the obsidian is usually found in the periphery of the lava flow. Main ingredients: silicon dioxide, hardness: 5, specific gravity: 2.339-2.527, refractive index: 1.48-1.51, aqueous 1-2%, chemical composition of SiO2 (H2O) Crystal ball: Crystal ball is made of natural crystal column processing, according to reports: the birth of a ball must consume materials 4-6 times more than its weight and in cylindrical grinding, the risk is very big, tend to bursting and come to naught. So, in view of the crystal material consumption, processing difficulty and rarity, expensive crystal ball is not without reason.
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