Its name "andesine" refers to the Andes Mountains where andesine was first found and the name "labradorite" was derived … Mar 15, 2019 - Explore alla's board "Andesine labradorite" on Pinterest. Andesine-Labradorite is a beautiful crystalline gem that is a combination of two feldspar varieties: andesine and labradorite. Andesine Feldspar comes from the Plagioclase group of Feldspar that is found in many locations around the world. Andesine can be found throughout the world in various types of rocks and environments. Andesine is a silicate mineral, a member of the plagioclase feldspar solid solution series. The stone is especially rare in transparent form. Its chemical formula is (Ca, Na)(Al, Si) 4 O 8, where Ca/(Ca + Na) (% anorthite) is between 30–50%.The formula may be written as Na 0.7-0.5 Ca 0.3-0.5 Al 1.3-1.5 Si 2.7-2.5 O 8.. Andesine Scam, Andesine Update, Andesine Rip Off, Andesine Ripoff, Precision custom gemstone faceting by Gary Kratochvil. This new material was initially said to be discovered in 2002 in the Democratic Republic of Congo and as of the initial discovery of these stones, no more Andesine has been offered for sale. Andesine Feldspar for sale at wholesale prices. Cutter of fine tourmaline, Oregon sunstone, red labradorite, aquamarine, garnet, amethyst, citrine, ametrine, ruby, sapphire . Andesine is a type of feldspar silicate mineral that was first discovered in 1841 in Colombia. Virtually identical type of color pattern, although I doubt it was done using beryllium. It’s a beautiful crystalline gem that comes in a wide variety of colors making it highly desirable when placed in jewelry. In the early 2000s a few red exemplars appeared on the market, although it was later discovered that they were artificially colored. See more ideas about labradorite, gemstones, feldspar. And above right, note the green “andesine-labradorite” sold by Jewelry Television and photographed yesterday in the ISG office. Andesine is a rare variety of Plagioclase Feldspar which is extremely rare in gem grade pieces with orange or red colors. The lack of proper authentication is one of the challenges when estimating andesine… It measures 6 – 6.5 on the MOHS scale making it a little bit soft but still durable. And the immersion cell on the right is the bottom of a Dixie cup with benzyl benzoate.
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