Adularia: A common type of moonstone, usually set as a cabochon. It is semi-translucent with a white and blue tint. Adularia was very popular in Art Nouveau jewelry.
Adventurine: A common misspelling of Aventurine.
Adularia
Adularia is a whitish-blue moonstone, popular for Art Nouveau jewelry.
Adularia is a common type of moonstone and is usually set as a cabochon. It was very popular early in the 20th century and extensively used in Art Nouveau jewelry.
Adularia: A translucent white and blue moonstone popular in Art Nouveau jewelry.
African Emerald: A green fluorspar mined in South Africa. It is not an Emerald.
African Jade: A large green grossular garnet mined in South Africa. It is not jade.
Adularia is a common type of moonstone, a whitish-bluish semi-translucent stone. Adularia is usually set as a cabochon. Adularia was very popular early in the 20th century and was extensively used in Art Nouveau jewelry.
Adularia (from Adular) is found in low temperature hydrothermal deposits. When pearly and opalescent, orthoclase is called moonstone and is used in jewelry. These opalescent varieties are known to be an intergrowth of orthoclase and albite.
(crystal), poor jewelry material, but a collector's item; brilliant fluorescence in light yellow to white when free of iron, green is non fluorescent and can be distinguished from smithsonite by the lack of CO2 bubbles in solution in HCl Adularia ...
AdulariaAcommon type of moonstone, a whitish-bluish semi-translucent stone. AdventurineA misspelling of aventurine (and sometimes known as goldstone) is a shimmering quartz stone.
The name comes from the feldspar variety adularia and is best known in the moonstone gemstones.
Allochromatism (a) Coloration caused by the presence of a trace element or impurity that is foreign to the crystal lattice.
The minerals most famous for exhibiting adularescence are Opal and Moonstone, and the name is derived from Adularia, of which Moonstone is a variety of. aftershock A ground tremor caused by the repositioning of rocks after an earthquake.
Adularia - "flash" in moonstones created by microscopic inclusions.
Amorphous - describes a substance with no precise patterning of atoms.
Asterism - " star effect " in gems.
--The quality of the adularia moonstone from Catron County is comparable to the best material from India and Sri Lanka.
The moonstone is actually the feldspar variety known as 'adularia', a potassium aluminosilicate of gemstone quality, which is also found in the European Alps near the Adula Group - hence the name 'adularia'.
Adularia, the most famous variety of Moonstone is expensive and is a good replacement for pearl. Its luminous radiation is the mirror image of the moon and its bluish white sheen sedates the mind.
orthoclase (embracing moonstone and adularia) and microcline (embracing amazonstone)
plagioclase (embracing sunstone, aventurine, feldspar, labradorite, and peristerite)
celsian; each with several intermediate series ...
feldspar
Feldspars are a family of minerals that include moonstone (adularia), amazonite, sunstone, and labradorite.
fire
A stone's fire is the streaks of brilliant color within it. Good quality opals, like the one above, have a lot of fire.
Feldspars are a family of minerals that include moonstone (adularia), amazonite, sunstone, and labradorite. Feldspars also tend to crystallize in igneous enviroments, but are also present in many metamorphic rocks.
Approximately two-thirds of all the rocks on Earth are of the mineral group feldspar, which includes the iridescent moonstone. The moonstone is of the feldspar variety adularia and is also known as selenite, derived from 'selene', ...
Popular with the Romans, who thought it was formed out of moonlight, and in India, where it is considered a sacred zodiac gem, moonstone is one of the most coveted varieties of feldspar. Other names for moonstone include adularia (a variety found in ...
Adularescence: When a gem displays a billowy floating light which appears to come from below the surface it is showing adularescence. The name comes from the most prominent gem displaying the phenomenon: moonstone, known historically as "adularia".
It can be milky, rainbow, blue, gray, or tan. Blue, rainbow, and very clear moonstones radiate a magical play of light when they're moved around. Gemologists call this adularescence (adularia is another name for moonstone).
Moonstone has a hardness of 6 and a specific gravity of 2.57. It is monoclinic; it has one two-fold axis of symmetry. Adularia is a common type of moonstone. Oligoclase is another type of moonstone; Labradorite and albite are rare forms.
of the pegmatite veins injected into the dioritic intrusion, since toward the west, in contact with the biotiteamphibole granite, the vein cluster is thinner and more sparse, and is replaced by breaks of the alpine cleft type containing adularia, ...
15:41, 14 April 2011 (hist) (diff) File:Adularia Image.jpg (top)
15:40, 14 April 2011 (hist) (diff) File:AdditiveColor.png (top)
15:40, 14 April 2011 (hist) (diff) File:A history of diamond cutting2.jpg (top) ...
 See also: Moonstone, Crystal, Mineral, Stone, Feldspar
  
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