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No Reserve 5.10 Carats Rare Grandidierite Cabochon
- SKU
- Dimensiones (mm)
- 12.800 x 10.200 x 5.500mm
- Peso (cts)
- 5.100
- Treatment
- No Treatment
- Shape
- Oval
- Tipo
- Cabochon
- Colores
-
DESCRIPTION
Grandidierite is a rare mineral that was first discovered in 1902 in southern Madagascar. The mineral was named in honor of French explorer Alfred Grandidier (1836–1912) who studied the natural history of Madagascar
Grandidierites appear bluer in color the more iron (Fe) they contain. A recently discovered gemstone, blue ominelite is the Fe-analogue (Fe, Mg) to grandidierite (Mg, Fe).[4]
Grandidierites display strong trichroic pleochroism. That means they can show three different colors depending on the viewing angle: dark blue-green, colorless (sometimes a very light yellow), or dark green.
While trichroism can usually help distinguish grandidierites from other gems, lazulites can occur with blue-green colors and show colorless/blue/dark blue pleochroism. Nevertheless, lazulites have somewhat higher refractive indices and specific gravity. Grandidierites also have greater hardness.
THIS IS NATURAL STONES MINED FROM EARTH WITH GOOD LUSTER GOOD CUT SHINNY LUSTER
SITE POLICY :
WE SELL ONLY A NATURAL STONES SOME ARE HEATED AND SOME ARE UNTREATED IF CUSTOMER NOT LIKE THE STONE CAN LET US KNOW WE ALWAYS READY TO REFUND THE MONEY AFTER WE GET STONE BACK CUSTOMER SATISFACTION IS OUR PRIORITY.
This Product is now in our Thailand warehouse for quick and cost-effective shipping.
- SKU
- Dimensiones (mm)
- 12.800 x 10.200 x 5.500 mm
- Peso (cts)
- 5.100
- Treatment
- No Treatment
- Shape
- Oval
- Tipo
- Cabochon
- Colores
-
DESCRIPTION
Grandidierite is a rare mineral that was first discovered in 1902 in southern Madagascar. The mineral was named in honor of French explorer Alfred Grandidier (1836–1912) who studied the natural history of Madagascar
Grandidierites appear bluer in color the more iron (Fe) they contain. A recently discovered gemstone, blue ominelite is the Fe-analogue (Fe, Mg) to grandidierite (Mg, Fe).[4]
Grandidierites display strong trichroic pleochroism. That means they can show three different colors depending on the viewing angle: dark blue-green, colorless (sometimes a very light yellow), or dark green.
While trichroism can usually help distinguish grandidierites from other gems, lazulites can occur with blue-green colors and show colorless/blue/dark blue pleochroism. Nevertheless, lazulites have somewhat higher refractive indices and specific gravity. Grandidierites also have greater hardness.
THIS IS NATURAL STONES MINED FROM EARTH WITH GOOD LUSTER GOOD CUT SHINNY LUSTER
SITE POLICY :
WE SELL ONLY A NATURAL STONES SOME ARE HEATED AND SOME ARE UNTREATED IF CUSTOMER NOT LIKE THE STONE CAN LET US KNOW WE ALWAYS READY TO REFUND THE MONEY AFTER WE GET STONE BACK CUSTOMER SATISFACTION IS OUR PRIORITY.
This Product is now in our Thailand warehouse for quick and cost-effective shipping.
Proveedor de envío | Envío a United States of America | Envíos al resto del mundo |
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Standard Shipping - Tracked | $20.00 / 15 días días | $20.00 / 25 días días |
United States of America
Standard Shipping - Tracked tiene descuento a $20.00 en pedidos con 2 o más artículos
Resto del mundo
Standard Shipping - Tracked tiene descuento a $20.00 en pedidos con 2 o más artículos
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FedEx | $45.00 / 9 días días | $45.00 / 14 días días |
United States of America
FedEx tiene descuento a $45.00 en pedidos con 2 o más artículos
Resto del mundo
FedEx tiene descuento a $45.00 en pedidos con 2 o más artículos
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DHL | $60.00 / 7 días días | $60.00 / 10 días días |
United States of America
DHL tiene descuento a $60.00 en pedidos con 2 o más artículos
Resto del mundo
DHL tiene descuento a $60.00 en pedidos con 2 o más artículos
|
-
Positivo
Paid and shipped - no feedback left after 100 days
-
Positivo
Paid and shipped - no feedback left after 100 days
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