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0.83 CTS RARE RAINBOW GARNET SPECIMEN FROM JAPAN [MGW3605

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Dimensions (mm)
x x mm
Weight (cts)
Type
Specimen
Colours

MINERAL GEM WORLD

RAINBOW GARNET'ANDRADITE'

This is a nautral untreated specimen of a rare garnet from Japan -Production has stopped so this is considered a collectors item now

Weight 0.83 cts app

Size 5 x 5 x 4 mm app

 

 

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.

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Australia
Registered Shipping is discounted to $9.00 on orders with 2 or more items
Rest of the world
Registered Shipping is discounted to $16.00 on orders with 2 or more items

mineralgemworld
mineralgemworld
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
Surfers Paradise, Australia
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Bids History (1)
jamone
Purchased from this seller previously
4 years ago
$25.00

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Shipping Details

Shipping:
$16.00 21 days via Registered Shipping
Ships from:
Australia

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Overview

Listing Type : Standard
Product ID : 378051
Starting Bid : $25
Starts : 16th August 2019 08:00 pm AEST
Ends : 19th August 2019 07:57 am AEST
* All prices are in USD