|Dimensions (mm)||not provided|
|Weight (carats)||39 carats|
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 39.41 cts app
Size 30 x 21 x 14 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||22nd Oct 2016 9:58pm PDT|
|Ends||25th Oct 2016 9:55pm PDT|
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