Almandine-Pyrope
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.
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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:0.29 cts
Heaviest:46.17 cts
Average:3.43 cts
Total photos:102
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| 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 |
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| Photos of natural/un-cut material from mindat.org | ||||||||||||||||||
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| Physical Properties of Almandine-Pyrope | ||||||||||||||||||
| Mohs Hardness | 7.5 to 0, 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 | |||||||||||||||||
