Almandine-Pyrope Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
 |  |  |  |  |
 |  |  |  |  |
 |  |  |  |  |
Almandine-Pyrope Gemstones by Size
This table shows distribution of Almandine-Pyrope 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:2.59 cts
Heaviest:19.15 cts
Average:5.85 cts
Total photos:15
Do you have a larger Almandine-Pyrope? Why not upload a photo?
| General Information | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A variety or type of: | Garnet Group | |||||||||||||||||
| Varieties/Types: | Rhodolite - A rose-red variety of Garnets from the Almandine to pyrope series. | |||||||||||||||||
| Other Names/Trade Names: | ||||||||||||||||||
| Chemical Formula |
| |||||||||||||||||
| Physical Properties of Almandine-Pyrope | ||||||||||||||||||
| Mohs Hardness | 7.5, Management Team (2012) | |||||||||||||||||
| Specific Gravity | 3.62 to 4.20, Management Team (2012) | |||||||||||||||||
| Cleavage Quality | None, Management Team (2012) | |||||||||||||||||
| Fracture | Conchoidal, Management Team (2012) | |||||||||||||||||
| Optical Properties of Almandine-Pyrope | ||||||||||||||||||
| Refractive Index | 1.730 to 1.810, Management Team (2012) | |||||||||||||||||
| Optical Character | Isotropic, Management Team (2012) | |||||||||||||||||
| Dispersion | 0.022 to 0.027, Management Team (2012) | |||||||||||||||||
| Colour | ||||||||||||||||||
| Colour (General) | Red, purple-red, pinkish red, red-orange, deep red to almost black, Management Team (2012) | |||||||||||||||||
| Causes of Colour | Reddish purple (rhodolite), Fe2+ in distorted cubic coordination, Pragmatic Spectroscopy For Gemologists (2011) | |||||||||||||||||
| Transparency | Transparent, Management Team (2012) | |||||||||||||||||
| Lustre | Vitreous, Management Team (2012) | |||||||||||||||||
| Crystallography of Almandine-Pyrope | ||||||||||||||||||
| Crystal System | Isometric, Management Team (2012) | |||||||||||||||||
| Further Information | ||||||||||||||||||
| Mineral information: | Almandine-Pyrope information at mindat.org | |||||||||||||||||