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Gemstone Cabochons Al to Ar |
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Alabaster Cabochons |
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The name Alabaster is given to two distinct types of minerals: gypsum and calcite. In ancient times the term alabaster was applied to calcite. Today, the term refers to a fine grained variety of gypsum. Gypsum is harder than calcite and does not scratch as easily. Click on image for details |
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Amazonite Cabochons |
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Amazonite is a microcline form of feldspar and although the name is taken from that of the Amazon River, it is highly unlikely that it was ever found there. In the past it's only source was a mountainous area in Russia. More recently, high-quality crystals have been obtained from Colorado, where it is found in conjunction with quartz, orthoclase, and albite in granite. Some other localities in the United States yield amazonite, and it is also found in Madagascar. Click on image for details |
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Item 1965 |
 Item 1947 |
 Item 1641 |
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Amethyst Cabochons |
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Amethyst is a variety of purple quartz often used in jewelry. It is found throughout the world. Chevron amethyst has “V” shaped or chevron shaped bands of white. Click on image for details |
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 Item 980 |
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Ammolite Cabochons |
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Ammolite is a rare valuable gemstone found primarily in Canada in which the outer skin of fossilized ammonite remains have been opalized. Click on image for details |
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Angelite Cabochons |
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Angelite is another name for a type of Anhydrite. Pale blue in color and translucent. It polishes up nicely and is a pretty stone with healing properties attributed to it. |
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Argulite Cabochons |
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Argulite comes from Utah. It is closely related to rhyolite. Both are products of sediment being super heated by lava. Also called Earthquake Jasper, a name that it was given because it's patterns were created by cracks from earthquakes which were then refused. Click on image for details |
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 Item 2020  |
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