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Tourmaline with epidote 19.5mm 29ct
- UGS
- Dimensions (mm)
- 29.000 x 19.500 x 8.000mm
- Poids (cts)
- 29.000
- Treatment
- No Treatment
- Taper
- Specimen
- Couleurs
-
ShangrilaGems
‘The Best Gems on the Web’
Gemmological Association of Great Britain Corporate Member
Lovely specimen
Tourmaline Gemstone Information
Tourmaline is an extremely complex borosilicate that occurs in every color; more than 100 colors and still counting! As a result a range of chemical compositions occur; also many individual crystals show zones of multiple colors. The West was introduced to Tourmaline in 1702 when the Dutch first imported it from Ceylon.
Tourmaline Healing Properties this gemstone promotes happiness, tolerance, objectivity and being well grounded as well as empathy, internal peace, positive attitude and internal strength.
Specifications of Tourmaline
Hardness on Mohs scale: 7-7.5 Toughness: Good
Luster: Vitreous Specific Gravity: 3.0-3.1
Refractive Index: 1.62-1.65
Cleavage: Difficult/Indistinct
General Chemical Formula: Various - It is a complex boro-silicate of Aluminium, Magnesium, Iron and copper.-
- UGS
- Dimensions (mm)
- 29.000 x 19.500 x 8.000 mm
- Poids (cts)
- 29.000
- Treatment
- No Treatment
- Taper
- Specimen
- Couleurs
-
ShangrilaGems
‘The Best Gems on the Web’
Gemmological Association of Great Britain Corporate Member
Lovely specimen
Tourmaline Gemstone Information
Tourmaline is an extremely complex borosilicate that occurs in every color; more than 100 colors and still counting! As a result a range of chemical compositions occur; also many individual crystals show zones of multiple colors. The West was introduced to Tourmaline in 1702 when the Dutch first imported it from Ceylon.
Tourmaline Healing Properties this gemstone promotes happiness, tolerance, objectivity and being well grounded as well as empathy, internal peace, positive attitude and internal strength.
Specifications of Tourmaline
Hardness on Mohs scale: 7-7.5 Toughness: Good
Luster: Vitreous Specific Gravity: 3.0-3.1
Refractive Index: 1.62-1.65
Cleavage: Difficult/Indistinct
General Chemical Formula: Various - It is a complex boro-silicate of Aluminium, Magnesium, Iron and copper.-
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Positif
Nice beads for a silver sinahi chest piece I am working on.
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Positif
Nice Labradorite beads. Good size and color.
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Positif
Paid and shipped - no feedback left after 100 days