3.27Ct Lightning Ridge Black Opal stone

Item Information

Dimensions (mm) 17 x 8 x 4mm
Weight (carats) 3.27 carats
Colors
Body Tone 5 N

COLONIAL OPAL

AUSTRALIAN OPAL SPECIALIST

 

Opal Type

 Semi Black Opal

Origin

 Lightning Ridge Region

Weight:

3.27ct

Size:

17 x 8mm

Body tone:

N5

Brightness

 B2

Treated/Untreated

Untreated Natural

Colour

Multi Colour

Pattern

Mixed broad segmented flashes

Accuracy of picture

Less Bright

Base of opal

All Sand on Medium Grey Base

Cabochon

Low Carved

Comments:

A Free From shape Semi Black opal from Lightning ridge on an all Sand base on medium grey potch base bright multi colour flashes of Red Green Blue Orange Yellow in large assorted segmented flashes has some dark potch marks in the surface the stone is very flashy for all angles on a flat carved face

Opal valuation: Our Opal Valuations are a combination of experience gathered over 35+ years in all levels and operations within the opal industry and the internationally recognized Opal Nomenclature and Classification

 

Photographing opals: We endeavour at all times to take the most true to life pictures possible. However, cameras often pick up colours and light differently and variations may occur. Because every opal photographs differently, I also include in the description additional comments about the accuracy of the photos.

 

Our Guarantee:  We sell quality opal and customer satisfaction is important to us so for any reason you are not completely happy with your purchase in any way whatsoever please contact us before leaving feedback as I am happy for you to return it for a full refund or another arrangement.

About Colonial Opal The company origins in trading Opal, Pearl and Precious Gems date from the early 1980s experience gathered in all levels and operations within the Opal Industry starting in the Wholesale and Export Gemstone and Jewellery trade within Australia and Internationally then Owning and Operating Opal Specialist Stores in Australia and New Zealand all the while being involved in the Mining, Cutting and Valuing all varieties of Australian Opal

 

Lightning Ridge Opal: Mined in the Outback of New South Wales Australia Black Opal comes from and variety of mining areas around Lightning Ridge  

Black Opal refers to the underlying colour – the colour of the opal when you turn it over. The darker the body the more valuable to stone may be. It is this darkness that lends brightness to the other colours displayed with in the stone. Black and dark opal is the scarcest of all opal and comes from the mines of Lightning Ridge.

Queensland Boulder Opal: Mined in the Outback of Queensland Australia our Opal comes from and variety of mining districts including - Winton, Koroit, Yowah, Eromanga, Jundah and Quilpie

Boulder opal is a type of opal that forms within the cavities of ironstone boulders dating from the time when central Queensland was cover by an inland sea The Opal is found in both vertical and horizontal cracks or seams. It is cut with the ironstone remaining on the back and is classified as solid opal.

Boulder Opal occurs over a Vast area of Western Queensland from North of Winton to south of Quilpie. Boulder Opal is considered to be one of the most versatile opals because it has all of the colour and patterns of expensive black or crystals opals but it is contained within the iron stone which makes it extremely durable.

When looked at from the side you can always tell a genuine solid boulder opal by the natural uneven line where the opal filled the void in the boulder.

 

White Opal: is also known as milky Opal and it has a pale white appearance with bright flashes of Opal colour. On the body tone and brightness chart the body colour of white Opal is N8 or N9. White Opal is capable of displaying any combination of spectral colours such as red, blue, purple and greens.

 

The major difference between this type of Opal and the Black Opal is that white Opal tends to have a subdued play of colour since the body colour of the stone is light. In black Opal because the body is very dark the play of colour is much brighter.

 

In terms of production the white Opal is by far the most plentiful. In Australia the majority of the opal produced comes from South Australia. There are three main South Australian opal mining fields these are Coober Pedy, Andamooka and Mintabie

19h 24m 54s

Buy Now $765.00
$
Make an Offer
Shipping $5.00
25 Days via Standard Shipping
0 bids placed so far
Add to Watch List Ask a Question * All prices in USD

Audit Information

The Opal Sheriff program allows our members to request an audit on any auction, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Request Audit

Pricing & Details

Bid Increment $1.00
Starting Bid $765.00
Auction ID 661181
Watchers 1 watching
Viewed 206 times
Starts 22nd Nov 2017 3:15pm PST
Ends 23rd Nov 2017 3:10pm PST

Shipping & Insurance

Provider Shipping Transit
Registered Shipping $15.00 14 Days
Standard Shipping $5.00 25 Days
Shipping Insurance all providers $26.95 (optional)

About Constableandcoopal

GET $10 OFF YOUR FIRST PURCHASE? REGISTER NOW