Matrix Opal
Mexico
11.90 carats
© Palagems
Matrix Opal Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
|  |
Matrix Opal Gemstones by Size
This table shows distribution of Matrix 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:8.69 cts
Heaviest:22.74 cts
Average:13.32 cts
Total photos:4
Do you have a larger Matrix Opal? Why not upload a photo?
| General Information | |
|---|---|
| A variety or type of: | Precious Opal, which is a variety of Opal |
| Physical Properties of Matrix 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 Matrix 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) | All colours, partially play-of-colour, Gemstones of the world (2001) |
| Crystallography of Matrix Opal | |
| Crystal System | Amorphous, Gemstones of the world (2001) |
| Habit | Kidney- or grape-shaped aggregates, Gemstones of the world (2001) |
| Geological Environment | |
| Where found: | SiO^2.nH^2O, Gemstones of the world (2001) |
| Further Information | |
| Mineral information: | Matrix Opal information at mindat.org |