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$26.00
Current Bid
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Bids
Closed
10/02/2019 10:27 am
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1425
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2.80 CTS FIREY SUNSTONE FROM TANZANIA [S7286]

SKU
Dimensions (mm)
x x mm
Weight (cts)
Certified Gemstones
No
Type
Faceted
Colours

SEDA GEMS

SUNSTONE STONE

 

This is a natural untreated faceted stone from Tanzania Africa showing the firey flash it is known for.

It is also known as Labradorite feldspar.

Faceted stone.

Weight 2.80 cts app

Size  10 x 8 x 6  mm app

 Sunstone contains inclusions of copper crystals. Sunstone can be found as large as three inches across. The copper leads to varying color within some stones, where turning one stone will result in multiple colors. The more copper within the stone, the darker the complexion

Note -If you would like some  quality  rough material visit our sister site QUALITY ROUGH

Sunstone is a plagioclase feldspar, which when viewed from certain directions exhibits a brilliant spangled appearance; this has led to its use as a gemstone. It has been found in Southern Norway,tanzania and in some United States localities. It is the official gemstone of Oregon.

GRADING The first factor in grading is the amount of Schiller[a sub -surface iridescent shimmer]The more schiller the less the stone reflects and shimmers as it blocks suns rays.The next grade is for colour as it can be found in red ,green.yellow,pink and orange.

Sunstone with high amounts of schiller are great for carvings.

The optical effect appears to be due to reflections from enclosures of red haematite, in the form of minute scales, which are hexagonal, rhombic or irregular in shape, and are disposed parallel to the principal cleavage-plane. These enclosures give the stone an appearance something like that of aventurine, whence sunstone is known also as "aventurine-feldspar." The optical effect called shiller and the color in Oregon Sunstone is due to copper. In the middle part of this crystal, it sparks a lot, and usually has a dark color in the middle, and the color becomes lighter as it becomes the outer part.

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Rest of the world
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Registered Shipping $9.00 / 7 days $16.00 / 21 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 $16.00 on orders with 2 or more items

sedagems
sedagems
MEMBER OF THE  [ICA] INTERNATIONAL COLOURED STONE ASSOCAITION AND PRESIDENT OF THE OPAL ASSOCIATION. PAUL SEDAWIE IS A FORMER OPAL MINER WHO NOW TRAVELS AROUND AUSTRALIA AND THE WORLD COLLECTION RARE AND INTERESTING GEMS TONES AND FOSSILS.ALL STOCK HAS A MONEY BACK GUARANTEE 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
Mermaid Waters, Australia
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Bids History (1)
angelo07
Purchased from this seller previously
5 years ago
$25.00

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Shipping Details

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

Payment Options

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Overview

Listing Type : Standard
Product ID : 314246
Starting Bid : $25
Starts : 10th February 2019 03:00 pm AEST
Ends : 11th February 2019 04:27 am AEST
* All prices are in USD