|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
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 Madgalena Mexico.These Hyalite specimens fluorescences green/yellow with a purple base.Great collectors item.
Weight 80.10 cts app
Size33x26x20 mm app
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.
|Starts||20th Jan 2017 4:03pm PST|
|Ends||22nd Jan 2017 4:00pm PST|
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