Obsidian is a type of volcanic glass that forms from lava flows. Like silica glass, it can be fashioned into sharp blades or carved into beautiful sculptures, but the hardness is only about 5 on the Mohs scale (so it isn’t durable). If not polished properly, it may be hazardous to handle obsidian because the sharp edges can cut the skin easily. Obsidian is not considered a true mineral because it does not crystallize in any form whatsoever. It’s chemical composition is pretty complicated too but includes a high proportion of silica content (SiO2).
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Archives for meditation
Large Quartz Crystals
Large crystals can be used as generator crystals, in particular, quartz crystals. I am a long time owner of a large quartz crystal weighing more than a kilo, about 30 cm high, and 10 cm wide (1 foot high and 4 inches wide). This crystal is really intense, and if I sleep with it by my side, I almost always end up not sleeping – such is its vibrational field.
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