19mm Black Obsidian Sphere Polished Volcanic Glass Crystal Mineral - Mexico 1PC

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eBay 19mm Black Obsidian Sphere Polished Volcanic Glass Crystal Mineral - Mexico 1PC	$7.95	Delivery date & cost shown at checkout

Amazon 19mm Black Obsidian Sphere Polished Natural Volcanic Glass Gemstone Crystal Mineral Specimen Ball - Mexico (1PC)	$9.99	Delivery date & cost shown at checkout

7.95
eBay
19mm Black Obsidian Sphere Polished Volcanic Glass Crystal Mineral - Mexico 1PC
Delivery date & cost shown at checkout
9.99
Amazon
19mm Black Obsidian Sphere Polished Natural Volcanic Glass Gemstone Crystal Mineral Specimen Ball - Mexico (1PC)
Delivery date & cost shown at checkout

Product Details

You will get one of the sphere similar to the one in the listing, the size and the color of the sphere may slightly vary as well due to the fact that all minerals are different. (see photo, the photos are taken under bright light, stand NOT included)! Average 1 Sphere Diameter 19mm / 3/4 Inches; Average 1 Sphere Weight 10g / 0.35oz; Obsidian is the result of volcanic lava coming in contact with water. Often the lava pours into a lake or ocean and is cooled quickly. This process produces a glassy texture in the resulting rock. Iron and magnesium give the obsidian a dark green to black color. Obsidian has been used by ancient people as a cutting tool, for weapons, and for ceremonial purposes and is sometimes found by archaeologists in excavations. Black is the most common color of obsidian. However, it can also be brown, tan, or green. Rarely, obsidian has an iridescent or metallic "sheen" caused by light reflecting from minute inclusions of mineral crystals, rock debris, or gas. These colored specimens are known as "rainbow obsidian," "golden obsidian," or "silver obsidian," depending upon the color of the sheen or iridescence. These specimens are very desirable for the manufacture of jewelry. Color: dark green to dark brown and black, also can show sheens of gold or green, yellow, blue and/or purple coloration. Hardness: 5 - 5.5; Chemical Formula: 70-75% SiO2 + MgO, Fe3O4; (The above information is provided solely for informational purpose. Kindly note that all stones are offered for decorative purposes only. Please, handle your stones with great care, do not grind or crumble them, do not dip or add them into your food or drink, do not use any parts of them in any elixirs, potions, lotions etc. Always make sure you wash your hands before and after working with your crystals.)

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