Obsidian consists mainly of SiO 2 ( silicon dioxide), usually 70% by weight or more. Though obsidian is usually dark in color, similar to mafic rocks such as basalt, the composition of obsidian is extremely felsic. It is sometimes classified as a mineraloid. Obsidian is mineral-like, but not a true mineral because, as a glass, it is not crystalline in addition, its composition is too variable to be classified as a mineral. Tektites were once thought by many to be obsidian produced by lunar volcanic eruptions, though few scientists now adhere to this hypothesis. Intrusive formation of obsidian may occur when felsic lava cools along the edges of a dike. Extrusive formation of obsidian may occur when felsic lava cools rapidly at the edges of a felsic lava flow or volcanic dome, or when lava cools during sudden contact with water or air. Obsidian is formed from quickly cooled lava, which is the parent material. The Natural History by the Roman writer Pliny the Elder includes a few sentences about a volcanic glass called obsidian ( lapis obsidianus), discovered in Ethiopia by Obsidius, a Roman explorer. Pliny the Elder, Naturalis Historia 36,67 (AD 77) In the past, it was used to manufacture cutting and piercing tools, and it has been used experimentally as surgical scalpel blades. Obsidian is hard, brittle, and amorphous it therefore fractures with sharp edges. Together with rapid cooling, this results in a natural glass forming from the lava. The high viscosity inhibits diffusion of atoms through the lava, which inhibits the first step ( nucleation) in the formation of mineral crystals. These flows have a high content of silica, granting them a high viscosity. It is commonly found within the margins of rhyolitic lava flows known as obsidian flows. Obsidian is produced from felsic lava, rich in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium. ən, ɒ b-/) is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. Certificate of Origin not provided.Naturally occurring volcanic glass Obsidian **Please note: Customer is responsible for any customs, taxes or duties, if any, related to their order. It is the responsibility of the buyer to be informed on the import regulations of their country for duty prices. International buyers may be subject to duty charges. Actual pendant you will receive might not look exactly the same as the one shown in the pictures above, but the color will be similar. We only stock quality gems.įOREIGN CUSTOMS REGULATIONS AND HOLDS MAY DELAY DELIVERY FOR UP TO 30 DAYS. Please note that each pendant is unique in appearance as every one of us. Because all of our gemstones are cut from 100% natural stone, there is always color variation. Obsidian is related primarily to the root chakra, though differing colors may relate to different chakras as well. Obsidian is also an excellent manifestation stone. It is a very grounding stone, and very healing. In particular, obsidian protects the gentle from abuse and is used to cut attachment cords to release one. It is also excellent protection against psychic attacks. Metaphysical Meaning: Black Obsidian Meaningīlack Obsidian is a very protective stone and is excellent for removing negativity. Handcrafted Item: Gemstones are handled with love and cut from 100% natural stone, please allow for variances in color, shape, and size as these stones are nature-made and no two are alike.100% Unique Product of Nature - Color, Markings and Shape May Vary. Comes with a complimentary 925 Silver Plated Chain - 1.2 mm Point Pendant Measures approximately 35mm long x 10mm to 12mm wide Polished Authentic Black Obsidian Stone In particular, obsidian protects the gentle from abuse and is used to cut attachment cords to release one. Also very useful as a Portable Pendulum! AFFIRMATION: I cleanse my energy field of negativity and ground myself to the Earth's heart.īlack Obsidian is a very protective stone and is excellent for removing negativity.
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