Home » Gemstones » Labradorite. Labradorite The plagioclase feldspar with an iridescent play-of-color that is often used as a gemstone.
Sweet Surrender Crystal mine is located in the beautiful Ouachita Mountains of Arkansas just north of Mt. Ida. This area and these mountains are known for being the ...
We are exporter and manufacturer of Brite, Bentonite, Walnut Shell, Gilsonite, Oil well drilling materia, and other Minerals from Iran.
Many people come into the store and ask me, "Why so many crystals?... What are they used for?" The following is an excerpt from Judy Halls' book "CRYSTALS" (ISBN: 978 ...
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Feldspar minerals are essential components in igneous, metamorphic and sedimentary rocks, to such an extent that the classification of a number of rocks is based upon ...
The plagioclase feldspar minerals are albite, oligoclase, andesine, labradorite, bytownite and anorthite. They are common rock-forming minerals and occasionally gem ...
Amazonite is a rare blue-green variety of microcline and is a mineral of limited occurrence. A semi-opaque stone that was used extensively by the Egyptians it is ...
Garnet Mine Tours has the World's largest garnet deposit! Located in North River, New York the heart of the Adirondack Mountains
This handful of crystals is just a small portion of the production we saw during our short visit to the Cruzeiro mine. These multicolored crystals range from ...
Minerals comprise your house. The house in the photo is the Hearst House, and it has more gold in it than most houses. Still, it contains minerals, without which it ...
Perthite is used to describe an intergrowth of two feldspars: a host grain of potassium-rich alkali feldspar (near K-feldspar, KAlSi 3 O 8, in composition) includes ...
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Minerals comprise your house. The house in the photo is the Hearst House, and it has more gold in it than most houses. Still, it contains minerals, without which it ...
Compared to other colored gemstone operations, the pit at the Kagem emerald mine is quite massive. Blasting is used to remove the topsoil and waste rock that cover ...
clay (klā) n. 1. a. A fine-grained, firm earthy material that is plastic when wet and hardens when heated, consisting primarily of hydrated silicates of aluminum and ...
Microcline (KAlSi 3 O 8) is an important igneous rock-forming tectosilicate mineral. It is a potassium-rich alkali feldspar. Microcline typically contains minor ...
Digital images of rock slabs were analyzed to determine proportions of matrix and quartz and alkali feldspar phenocrysts.