88.48 CTS RARE RAINBOW GARNET SPECIMEN FROM JAPAN [MGW5432]

2225

SKU
Dimensions (mm): 28.900 x 22.200 x 18.600mm
Weight (cts): 88.480
Type: Specimen
Colours

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
Dimensions (mm): 28.900 x 22.200 x 18.600 mm
Weight (cts): 88.480
Type: Specimen
Colours

MINERAL GEM WORLD
RAINBOW GARNET 'ANDRADITE'

WE HAVE CUT AND TUMBLED STONE LISTED IN SEDA GEMS

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Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.

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rustynut
on 29 Nov, 2024

Positive

Good stone great service

2.95 CTS AUSTRALIAN ROUGH SAPPHIRE [SAP547]

martin11
on 27 Nov, 2024

Positive

Great thank very much, lovely pearls.

AAA GRADE ROUND PEARL PARCEL HIGH LUSTER- 7 MM [PF2206]

philsgems
on 25 Nov, 2024

Positive

Nice piece of rough. thankyou

3.82 CTS AUSTRALIAN ROUGH SAPPHIRE

philsgems
on 25 Nov, 2024

Positive

Nice stone. Thankyou

4.83 CTS AUSTRALIAN ROUGH SAPPHIRE

philsgems
on 25 Nov, 2024

Positive

Have received the rough. Nice colour. Thankyou

3.10 CTS MINT GREEN GLOSSULAR GARNET ROUGH [F5077]

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