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$26.00
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28/06/2018 02:22 pm
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45.7 CTS A GRADE YELLOW PREHNITE CAB CG-1409

SKU
Dimensions (mm)
29.000 x 24.000 x 7.000mm
Weight (cts)
45.700
Type
Faceted
Colours

PREHNITE CABOCHON

BRIGHT LEMON YELLOW COLOUR

A GRADE HIGH CLARITY

PERFECT FOR SETTING IN JEWELRY

Prehnite is a phyllosilicate of calcium and aluminium with the formula: Ca2Al(AlSi3O10)(OH)2. Limited Fe3+ substitutes for aluminium in the structure. Prehnite crystallizes in the orthorhombic crystal system and most oftens forms as stalactitic or botryoidal aggregates, with only just the crests of small crystals showing any faces, which are almost always curved or composite. Very rarely will it form distinct, well individualized crystals showing a square-like cross-section, like those found at the Jeffrey Mine in Asbestos, Quebec, Canada. It is brittle with an uneven fracture and a vitreous to pearly lustre. Its hardness is 6-6.5, its specific gravity is 2.80-2.90 and its color varies from light green to yellow, but also colorless, blue or white. In April 2000, a rare orange Prehnite was discovered at the famous Kalahari Manganese Fields in South Africa. It is mostly translucent, and rarely transparent.

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Rest of the world
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colouredgems
colouredgems
This family business based out of Australia has been established since 1991. We are miners and wholesalers of the famous Lightning Ridge black opal. We also stock opal from the Coober Pedy, Boulder, Yowah, and Koroit opal fields. We have an office in the USA.contact us on salopals@aol.com
Mermaid Beach, United States of America
Verified
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Bids History (1)
leighanne
Purchased from this seller previously
5 years ago
$25.00

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Shipping Details

Shipping:
$30.00 14 days via DHL
Ships from:
United States of America

Payment Options

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This seller adds 10.00% tax to transactions in United States of America.

Overview

Listing Type : Standard
Product ID : 169646
Starting Bid : $25
Starts : 27th June 2018 09:00 am AEST
Ends : 29th June 2018 07:22 am AEST
* All prices are in USD