Only 1 left in stock
Black Matrix Opal Specimen 167.70 Carat
Winton Opal
$171.24
Gemstone Type: Winton Black Matrix Fairy Opal
Totel Carat Weight : 167.70 Carat (33.54grams)
Colour : Rainbow, Both Side
Shape : Triangle
Item Length: 55.38mm
Item Width : 28.80mm
Item Depth: 18.13mm
Gemstone Treatment: Heated
Brand: Xellent
Gemstone Form: Polished
Cut Grade: Very Good
Wholesale: Yes
Country/Region of Manufacture: Australia
Country of Origin: Australia
The Black Matrix Opal Specimen's surface is a stunning display of red, blue, green and hints of yellow glittering Opal Colours.
A beautiful looking natural pattern makes this specimen quite unique.
The Sandstone Opal Matrix was mined in Western Queensland near the town of Winton.
In certain areas of Queensland, Opal formed inside Sandstone. To enhance the Opal colours, the Sandstone containing Opal, is cooked in cooking oil, resulting in the sandstone turning grey or black in colour. Cooking the Sandstone Opal Matrix in this way will make the Opal colours more vibrant and make any patterns formed by the Opal layers more visible
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