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often radiating outward from a central axis
a ghost or phantom of the crystal during its formation still remaining in the interior
Amethyst is a form of Quartz which gets its beautiful purple tint from the substitution of silicone for iron due to irradiation
Our specimens consist of fine crystals spread across a matrix in shades of both blue and green
These well preserved and larger-sized fossils originate from the Monterey Formation in California
Fluorite Phantom Iceland Spar often radiating outward from aFluorite is one of the most variable of all crystalline minerals, occurring in shades of blue, green, purple, red and many other colors corresponding to their physical makeup and conditions when the mineral was formed. The name fluorite comes from its use as a flux, or chemical cleaning agent, in iron smelting and other metallurgy. Pure fluorite is clear, but most specimens have vivid color due to various impurities and are often fluorescent. With a
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