Andesine > Honey Red Andesine   3.13 CT AAA! SUPERB COPPER RED ANDESINE GEMSTONE NAME: ANDESINE WEIGHT: 3.13CT SIZE: 8.2 X 12.0 X 5.9 mm CLARITY: IF COLOR COPPER RED LUSTER: VG SHAPE: PEAR ORIGIN: CONGO HARDNESS: 6-6.5 TREATMENT: NONE $ 175.00          Available: 1      More Information      Quantity:     RARE 1.21 carat VVS Oval Natural Honey Red Andesine Andesine is a member of the group of minerals known as feldspars. In the gemstone world, moonstone is another famous feldspar. But moonstone is an orthoclase feldspar while andesine is one of the plagioclase feldspars, which include oligoclase, andesine, labradorite and bytownite. All the members of the plagioclase group are a mixture of albite and anorthite, with andesine being 50-70% albite (a sodium aluminum silicate) and 30-50% anorthite (a calcium aluminum silicate). Labradorite is defined $ 85.00          Available: 1      More Information      Quantity:     Rare!! Andesine 1.19 Carat Honey Red Gemstone Andesine is a member of the plagioclase feldspar group, which also includes labradorite and sunstone. All the members of this group are a mixture of albite and anorthite, with andesine being 50-70% albite and 30-50% anorthite. Supplies of andesine from the Congo are quite recent, with the mineral found in a range of colors, including red, yellow, champagne and green. It has hardness of 6.5 on the Mohs scale, so it is not ideal for rings. $ 65.00          Available: 1      More Information      Quantity: