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HYALITE OPAL ROCK

Out of stock
HYALITE OPAL ROCK
HYALITE OPAL ROCK
HYALITE OPAL ROCK

HYALITE OPAL ROCK

HYALITE OPAL ROCK

Hyalite Opal Rock Specimen.  A superb Aussie Rock to grace your collection.

Location:
Squaretop Mountain, Queensland, Australia.

Dimensions:
6.4cm x 5.6cm x 2.4cm, 78g.

Hyalite:  SiO2 · nH2O.

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HYALITE OPAL ROCKHYALITE OPAL ROCK

Hyalite Opal Rock Specimen.  A superb Aussie Rock to grace your collection.

Location:
Squaretop Mountain, Queensland, Australia.

Dimensions:
6.4cm x 5.6cm x 2.4cm, 78g.

Hyalite:  SiO2 · nH2O.

A colourless variety of Opal. Hyalite is opal-AN, an amorphous silica glass containing about 3-8% water.
Because it has a different structure, it does not show the opalescence play of color that is found in precious opal.

Hyalite occurs as globular and botryoidal masses and irregular crusts in volcanic and pegmatite environments where the silica deposits from the gas phase.  It often shows a strong green fluorescence in UV light.

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Additional information

Weight 100 g
Dimensions 7 × 8 × 8 cm