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16.30 cts Rare Mineral Diaspore Specimen TBM-2514 Truebluegems
- UGS
- TBM-2514
- Dimensions (mm)
- 21.800 x 12.900 x 10.400mm
- Poids (cts)
- 16.300
- Treatment
- No Treatment
- Shape
- Freeform
- Taper
- Specimen
- Couleurs
-
DIAPSORE SPECIMEN
RARE MINERAL
ORIGIN TURKEY
TREATMENT-NONE
JOINT CRYSTAL
Zultanite is a trademark for a gem variety of the mineral diaspore, mined in the İlbir Mountains of southwest Turkey at an elevation of over 4,000 feet. Depending on its light source, zultanite’s colour varies between a yellowish green, light gold, and purplish pink. Its gemological name is diaspore, and it is hydrated aluminium oxide coloured by manganese. It was first faceted as a gemstone in the 1980s, but was not commercially mined until recently. Diaspore has reasonably good gemstone characteristics. It has a hardness of 6.5 to 7 on the Mohs scale, comparable to peridot and tanzanite. It has a refractive index of 1.702 to 1.750, which lies between that of tanzanite and spinel. Diaspore has perfect cleavage in one direction, making it a challenge to cut.
This is a expensive stone so these specimens are included so we have included a picture close to a bright light.
PARENT COMPANIES: TRUEBLUEOPALS PTY LTD (AUSTRALIA ) AND LIGHTNINGOPAL LLC (USA)
- UGS
- TBM-2514
- Dimensions (mm)
- 21.800 x 12.900 x 10.400 mm
- Poids (cts)
- 16.300
- Treatment
- No Treatment
- Shape
- Freeform
- Taper
- Specimen
- Couleurs
-
DIAPSORE SPECIMEN
RARE MINERAL
ORIGIN TURKEY
TREATMENT-NONE
JOINT CRYSTAL
Zultanite is a trademark for a gem variety of the mineral diaspore, mined in the İlbir Mountains of southwest Turkey at an elevation of over 4,000 feet. Depending on its light source, zultanite’s colour varies between a yellowish green, light gold, and purplish pink. Its gemological name is diaspore, and it is hydrated aluminium oxide coloured by manganese. It was first faceted as a gemstone in the 1980s, but was not commercially mined until recently. Diaspore has reasonably good gemstone characteristics. It has a hardness of 6.5 to 7 on the Mohs scale, comparable to peridot and tanzanite. It has a refractive index of 1.702 to 1.750, which lies between that of tanzanite and spinel. Diaspore has perfect cleavage in one direction, making it a challenge to cut.
This is a expensive stone so these specimens are included so we have included a picture close to a bright light.
PARENT COMPANIES: TRUEBLUEOPALS PTY LTD (AUSTRALIA ) AND LIGHTNINGOPAL LLC (USA)
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PositifSmall but perfectly formed! Arrived very quickly thanks.
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Positif
Very nice very tiny
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Positif
Paid and shipped - no feedback left after 100 days
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Positif
The stone was more beautiful in person than in the picture.
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Positif
Paid and shipped - no feedback left after 100 days
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