Colors: black, bluish, mahogany, golden, peacock, etc.The material offered for sale is in fact an artificial glass mass-produced in places such as Indonesia. Note on "Transparent/Translucent Obsidian":Ī lot of gem-quality water-clear variously coloured 'obsidian' has been offered for sale on the internet (in particular on auction websites) with a variety of sources listed. Obsidian is formed in the latest stage of volcanic eruptions, the silicas left over after most of the other elements and water have been used up are ejected or flow out and rapidly chilled at surface temperatures. Volcanic glass - a rock rather than a mineral, it is a mixture of cryptocrystalline grains of silica minerals in a glass-like suspension, a super-cooled liquid. Questions for discussion have been provided at the bottom of the post. Please use the the comments section to share your pictures and experiences with the crystal of the week. Crystal information from several sources will be provided in the body of the post, with all credit going to the original authors. Obsidian is the ninth of our weekly crystal discussion posts. IN ADDITION TO ALL OTHER LIMITATIONS AND DISCLAIMERS IN THIS AGREEMENT, SERVICE PROVIDER AND ITS THIRD PARTY PROVIDERS DISCLAIM ANY LIABILITY OR LOSS IN CONNECTION WITH THE CONTENT PROVIDED ON THIS WEBSITE. ALWAYS SEEK THE ADVICE OF YOUR PHYSICIAN OR OTHER QUALIFIED HEALTH PROVIDER PRIOR TO STARTING ANY NEW DIET AND ASK YOUR DOCTOR ANY QUESTIONS YOU MAY HAVE REGARDING A MEDICAL CONDITION. THE INFORMATION ON THIS WEBSITE IS PROVIDED FOR EDUCATIONAL AND ENTERTAINMENT PURPOSES ONLY, AND IS IN NO WAY INTENDED TO DIAGNOSE, CURE, OR TREAT ANY MEDICAL OR OTHER CONDITION.
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