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912 CTS MASSIVE LABRADORITE POLISHED STONE- SPECIMEN G5279
- SKU
- Dimensions (mm)
- 76.000 x 58.000 x 13.000mm
- Weight (cts)
- 912.000
- Colours
-
NATURAL LABRADORITE LARGE SPECIMEN OR CABOCHON STONE
SOURCE MADAGASCAR
CODE: G5279
Labradorite ((Ca,Na)(Al,Si)4O8), is a feldspar mineral, an intermediate to calcic member of the plagioclase series. It is usually defined as having “%An” (anorthite) between 50 and 70. The specific gravity of Labradorite gemstones ranges from 2.71 to 2.74. The refractive index ranges from 1.555 to 1.575.
Twinning is common in Labradorite. As with all plagioclase members, its crystal system is triclinic. Three directions of cleavage are present, two of which form nearly right-angle prisms. Labradorite occurs as clear, white to gray, blocky to lath-shaped grains. It’s found in common mafic igneous rocks such as basalt and gabbro, as well as in anorthosites.Red Labradorite gemstones is also called Oregon sunstone. Red Labradorite Andesine is a member of the Feldspar group. Andesine is a rich Red. Red Labradorite - Andesine, has a hardness of 6 to 6.5 on the Mohs scale
The geological type area for natural Labradorite is Paul’s Island, near the town of Nain in Labrador, Canada. It occurs in large crystal masses in anorthosite and shows an iridescence or play of colours. The iridescence is the result of light refracting within perthitic lamellar intergrowths resulting from phase exsolution on cooling.
- SKU
- Dimensions (mm)
- 76.000 x 58.000 x 13.000 mm
- Weight (cts)
- 912.000
- Colours
-
NATURAL LABRADORITE LARGE SPECIMEN OR CABOCHON STONE
SOURCE MADAGASCAR
CODE: G5279
Labradorite ((Ca,Na)(Al,Si)4O8), is a feldspar mineral, an intermediate to calcic member of the plagioclase series. It is usually defined as having “%An” (anorthite) between 50 and 70. The specific gravity of Labradorite gemstones ranges from 2.71 to 2.74. The refractive index ranges from 1.555 to 1.575.
Twinning is common in Labradorite. As with all plagioclase members, its crystal system is triclinic. Three directions of cleavage are present, two of which form nearly right-angle prisms. Labradorite occurs as clear, white to gray, blocky to lath-shaped grains. It’s found in common mafic igneous rocks such as basalt and gabbro, as well as in anorthosites.Red Labradorite gemstones is also called Oregon sunstone. Red Labradorite Andesine is a member of the Feldspar group. Andesine is a rich Red. Red Labradorite - Andesine, has a hardness of 6 to 6.5 on the Mohs scale
The geological type area for natural Labradorite is Paul’s Island, near the town of Nain in Labrador, Canada. It occurs in large crystal masses in anorthosite and shows an iridescence or play of colours. The iridescence is the result of light refracting within perthitic lamellar intergrowths resulting from phase exsolution on cooling.
Shipping provider | Shipping to Australia | Shipping to rest of world |
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FedEx | $12.00 / 7 days | $39.00 / 7 days |
Australia
FedEx is discounted to $12.00 on orders with 2 or more items
Rest of the world
FedEx is discounted to $39.00 on orders with 2 or more items
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Registered Shipping | $9.00 / 10 days | $15.00 / 18 days |
Australia
Registered Shipping is discounted to $9.00 on orders with 2 or more items
Rest of the world
Registered Shipping is discounted to $15.00 on orders with 2 or more items
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excellent seller, everything corresponds to the photos and description
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Positive
excellent seller, everything corresponds to the photos and description
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Paid and shipped - no feedback left after 100 days
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Paid and shipped - no feedback left after 100 days
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Positive
Paid and shipped - no feedback left after 100 days
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