20.00 CTS HYALITE OPAL SPECIMEN FROM NSW AUSTRALIA[VS8104]

Item Information

Dimensions (mm) 23.2 x 17.1 x 14.7mm
Weight (carats) 20 carats
Colors

HYALITE OPAL

HYALITE is a clear variety of Opal that forms globules or clusters of globules becoming botryoidal[it resembles a bunch of grapes.] This specimen was found in the flat top mountains near Dalby nsw Australia.These Hyalite specimens fluoresces green.

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This is a special type of opal which is often classified with common opal. Hyalite is, however, a very distinctive material. It is always colourless and glass clear, and contains less water than other forms of opal. Its water content is usually of the order of 3-4%. Hyalite is most commonly found in association with volcanic rocks, especially in small cavities, or vugs. It may also be found coating secondary minerals in the weathering zone of ore deposits.


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Pricing & Details

Bid Increment $1
Starting Bid $36
Auction ID 1033399
Watchers 1 watching
Viewed 738 times
Starts 27th Sep 2021 6:45pm PDT
Ends 30th Sep 2021 7:28pm PDT

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Volcanicopals Details

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