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It’s attractive blue-green provides a unique color to the mineral world
Approximate Size:
Opals are hydrated amorphous forms of silica
where it originated approximately 50 million years ago
Opalite is known by several other names
Bloody Iolite 10mm Round A Grade - 15-16 Inch Flat It’s attractive blue-green provides aIolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called pleochroism, which means that it can appear to be different colors as it shifts in the light. According to Norse legend, Viking explorers used thin pieces of Iolite as the worlds first polarizing lens to help them determine the exact location of the sun for navigation.
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