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3.60 CTS ANDESINE BI COLOURED -FELDSPAR-FACETED [ST8033]
- SKU
- Dimensiones (mm)
- x x mm
- Peso (cts)
- Certified Gemstones
- No
- Tipo
- Faceted
- Colores
-
SEDAGEMS
ANDESINE FACETED
This is a attractive Bi coloured stone which has been faceted on top .Great for a ring or pendant.
Weight 3.60 cts app
Size 13X10X4 mm app
Treated.
Andesine is a silicate mineral, a member of the plagioclase feldspar.
The origin of Andesine gemstones is uncertain. The original source where this gem was supposedly discovered in a natural, untreated state is in the Congo, near the Nyaragongo Volcano. The source for the diffused material is the Inner Mongolia of China. Andesine was first described in 1841 for an occurrence in the Marmato mine, Marmato, Cauca,Colombia. The name is for the Andes due to its abundance in the andesite lavas in those mountains.
In the early 2000s, red and green gemstones began to be marketed under the name of 'Andesine'. After some controversy, these gemstones were subsequently discovered to have been artificially-coloured.
The color of the Andesine gemstones being produced in China is produced by subjecting the stone to diffusion treatment with copper. -
- SKU
- Dimensiones (mm)
- x x mm
- Peso (cts)
- Certified Gemstones
- No
- Tipo
- Faceted
- Colores
-
SEDAGEMS
ANDESINE FACETED
This is a attractive Bi coloured stone which has been faceted on top .Great for a ring or pendant.
Weight 3.60 cts app
Size 13X10X4 mm app
Treated.
Andesine is a silicate mineral, a member of the plagioclase feldspar.
The origin of Andesine gemstones is uncertain. The original source where this gem was supposedly discovered in a natural, untreated state is in the Congo, near the Nyaragongo Volcano. The source for the diffused material is the Inner Mongolia of China. Andesine was first described in 1841 for an occurrence in the Marmato mine, Marmato, Cauca,Colombia. The name is for the Andes due to its abundance in the andesite lavas in those mountains.
In the early 2000s, red and green gemstones began to be marketed under the name of 'Andesine'. After some controversy, these gemstones were subsequently discovered to have been artificially-coloured.
The color of the Andesine gemstones being produced in China is produced by subjecting the stone to diffusion treatment with copper. -
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