Elongated stone
Elongated stone
An elongated plagioclase is a type of plagioclase, consisting of albite (NaAlSi3O8, symbol Ab) and anorthite (CaAl2Si2O8, symbol An), usually expressed as a percentage of the An molecule Plagioclase, plagioclase, and plagioclase. The content of An is 50-70%. Pure and beautiful color of plagioclase can be used as a gem, but not very valuable. Lengshi stone is more common, was used as decorative materials, some of which have halo color of elongated stone was also used as a gem. Lengshi stone is generally gray, brown to black, can be used for precious stones elongated stone with red, blue, green halo color. Lengshi the crystal can be up to 2 meters, produced in gabbro, sillite, basalt, granulite and other rocks. |
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The main origin
Gem stone is an important origin of the Canadian Labrador northern coast. The elongated stone and purple perlite accompanied by a coarse granular (a few centimeters). Followed by the United States from Oregon to the County of Warren Valley and Texas Alpin, California's Moxoc County. Madagascar is produced in large jade jade elongated stone. India, Nepal and other places mainly produce semi-precious stones [1] to blue, purple-based elongated stone. Ukraine Kiev also produces a large number of elongated stone, but the quality is poor. There are other places such as Finland. Shennongjia, Hubei Province, China and Inner Mongolia also have gem-level elongated stone output
Spirituality:
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