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Lake Superior Agate another eye agate. Never polish agates they are worth more in the raw

Lake Superior Agate another eye agate. Never polish agates they are worth more in the raw

Corundum is a crystalline form of aluminium oxide (Al2O3) with traces of iron, titanium and chromium.[1] It is a rock-forming mineral. It is one of the naturally clear transparent materials, but can have different colors when impurities are present. Transparent specimens are used as gems, called ruby if red and padparadscha if pink-orange. All other colors are called sapphire, e.g., "green sapphire" for a green specimen

Corundum is a crystalline form of aluminium oxide (Al2O3) with traces of iron, titanium and chromium.[1] It is a rock-forming mineral. It is one of the naturally clear transparent materials, but can have different colors when impurities are present. Transparent specimens are used as gems, called ruby if red and padparadscha if pink-orange. All other colors are called sapphire, e.g., "green sapphire" for a green specimen

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DRYHEAD AGATE from Montana. Silverhawk's designer gemstones. This bright and well patterned beauty features fortification banding and a few orbs in shades of reddish-orange, pink and several peach chiffon pastels.

Lake Superior Agate, Minnesota's answer to the sapphire. And the diamond. And the ruby....

Lake Superior Agate, Minnesota's answer to the sapphire. And the diamond. And the ruby....

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