88.48 CTS RARE RAINBOW GARNET SPECIMEN FROM JAPAN [MGW5432]

1817

SKU
Dimensiones (mm): 28.900 x 22.200 x 18.600mm
Peso (cts): 88.480
Tipo: Specimen
Colores

MINERAL GEM WORLD
RAINBOW GARNET 'ANDRADITE'

This is a natural untreated specimen of a rare rainbow garnet from Japan.
This stone came from a japanese collector who was one of the last to get access to the area in 2005 when the area was closed to collectors. Apparently some have been arrested for entering the area after that date.
Top collectors item now. It is hard to capture the beauty in a photo.

The garnet crystal has strong play of color like peacock ore, but some crystals have stronger play of colour like Opal.
This garnet is domestically called super rainbow garnet because of the stronger play of colour. The strength of play of colour varies depending on viewing angles. The characteristics of iridescence are quite similar to the other iridescent minerals. This iridescent garnet was found early 2004 in Tenkawa village, Yoshino district, Nara Pref. Japan.
One of the more curious and rare garnets, andradite, known for its green gem dispersive variety, demantoid, also occurs in a dark root-beer-brown variety containing an iridescent phenomenon. "It looks like crystallized black opal
Andradite is fairly difficult to cut, notes Burger. "It cuts and polishes just like other garnets, but the color is directional and distributed within the crystal lattice much like the 'grain' in diamond." The hardness of andradite is similar to all other garnets, about 7–7.5. And while it's easy to find the iridescence, says Burger, "it's hard to maximize it." The crystals are normally highly twined and oriented so as to make symmetrical stones wasteful to cut, notes Burger. And since the iridescent feature tends to be directional, whole-stone photography is difficult at best.

WE HAVE CUT AND TUMBLED STONE LISTED IN SEDA GEMS

SKU
Dimensiones (mm): 28.900 x 22.200 x 18.600 mm
Peso (cts): 88.480
Tipo: Specimen
Colores

MINERAL GEM WORLD
RAINBOW GARNET 'ANDRADITE'

WE HAVE CUT AND TUMBLED STONE LISTED IN SEDA GEMS

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mineralgemworld

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Contacto

MEMBER OF THE [ICA] INTERNATIONAL COLOURED STONE ASSOCIATION AND PRESIDENT OF THE OPAL ASSOCIATION. We have a retail shop/museum at the Gold Coast Opal and Gem Centre 25 surfers av mermaid waters Qld Australia .4218 open mon to sat 10 to 5

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Verificado

14746 de comentarios

helmrey
on 7 Apr, 2024

Positivo

This stone is exactly what showed up at my house only more bright. very pretty and quick shipping

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darkclark
on 6 Apr, 2024

Positivo

nice but challenging

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karel
on 30 Mar, 2024

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A ten-out-of-ten from me. You run a fine shop! Thank you very much

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8.00%

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Válido hasta

22nd May 2024

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