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Exceptional Colombian Treasure: Color Changing 1.90 Andesine Feldspar
- SKU
- 1000BCT
- Dimenzije (mm)
- 9 x 7 x 5mm
- Težina (cts)
- 1.9
- Treatment
- No Treatment
- Shape
- Fancy
- Type
- Faceted
- Clarity
- VVS
- Boje
-
Andesine is a silicate mineral, a member of the plagioclase feldspar solid solution series. Its chemical formula is (Ca, Na)(Al, Si)4O8, where Ca/(Ca + Na) (% anorthite) is between 30 and 50%. The formula may be written as Na0.7-0.5Ca0.3-0.5Al1.3-1.5Si2.7-2.5O8.[2]
The plagioclase feldspars are a continuous solid solution series and as such the accurate identification of individual members requires detailed optical study, chemical analysis or density measurements. Refractive indices and specific gravity increase directly with calcium content.[5]
It is sometimes used as a gemstone.[6]
| Pružatelj usluge dostave | Dostava Pakistan | Dostava u ostatak svijeta | Kombinirana dostava ( Pakistan ) | Kombinirana dostava (ostatak svijeta) |
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| DHL |
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| UPS |
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- SKU
- 1000BCT
- Dimenzije (mm)
- 9 x 7 x 5 mm
- Težina (cts)
- 1.9
- Treatment
- No Treatment
- Shape
- Fancy
- Type
- Faceted
- Clarity
- VVS
- Boje
-
Andesine is a silicate mineral, a member of the plagioclase feldspar solid solution series. Its chemical formula is (Ca, Na)(Al, Si)4O8, where Ca/(Ca + Na) (% anorthite) is between 30 and 50%. The formula may be written as Na0.7-0.5Ca0.3-0.5Al1.3-1.5Si2.7-2.5O8.[2]
The plagioclase feldspars are a continuous solid solution series and as such the accurate identification of individual members requires detailed optical study, chemical analysis or density measurements. Refractive indices and specific gravity increase directly with calcium content.[5]
It is sometimes used as a gemstone.[6]
| Pružatelj usluge dostave | Dostava Pakistan | Dostava u ostatak svijeta | Kombinirana dostava ( Pakistan ) | Kombinirana dostava (ostatak svijeta) |
|---|---|---|---|---|
| Standard Shipping - Tracked |
|
|
|
|
| FedEx |
|
|
|
|
| DHL |
|
|
|
|
| UPS |
|
|
|
|
Welcome to the City Of Gems-Chanthaburi !! The City Of Gems-Chonburi has been operating from Chanth....
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Pozitivan
Nice stone nice store highly recommended 10/10
