Water Opal (Jelly Opal)
Australia
3.36 carats
© Palagems
Water Opal Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Water Opal Gemstones by Size
This table shows distribution of Water Opal gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:3.36 cts
Heaviest:13.45 cts
Average:8.40 cts
Total photos:2
Do you have a larger Water Opal? Why not upload a photo?
| General Information | ||||||||||||||||||
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| A variety or type of: | Precious Opal, which is a variety of Opal | |||||||||||||||||
| Other Names/Trade Names: | ||||||||||||||||||
| Chemical Formula |
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| Physical Properties of Water Opal | ||||||||||||||||||
| Mohs Hardness | 5.5 to 6.5, Gemstones of the world (2001) | |||||||||||||||||
| Specific Gravity | 1.98 to 2.50, Gemstones of the world (2001) | |||||||||||||||||
| Tenacity | Brittle, Gemstones of the world (2001) | |||||||||||||||||
| Cleavage Quality | None, Gemstones of the world (2001) | |||||||||||||||||
| Fracture | Conchoidal,Splintery, Gemstones of the world (2001) | |||||||||||||||||
| Optical Properties of Water Opal | ||||||||||||||||||
| Refractive Index | 1.37 to 1.52, Gemstones of the world (2001) | |||||||||||||||||
| Birefringence | None, Gemstones of the world (2001) | |||||||||||||||||
| Pleochroism | Absent, Gemstones of the world (2001) | |||||||||||||||||
| Dispersion | None, Gemstones of the world (2001) | |||||||||||||||||
| Colour | ||||||||||||||||||
| Colour (General) | Bluish-gray with little play-of-colour, Gemstones of the world (2001) | |||||||||||||||||
| Transparency | Translucent, Gemstones of the world (2001) | |||||||||||||||||
| Crystallography of Water Opal | ||||||||||||||||||
| Crystal System | Amorphous, Gemstones of the world (2001) | |||||||||||||||||
| Further Information | ||||||||||||||||||
| Mineral information: | Water Opal information at mindat.org | |||||||||||||||||
| Significant Gem Localities | ||||||||||||||||||
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