Six varieties of this mineral are recognized, including grossularite, pyrope, spessartite, uvarovite, andradite, and almandine, the last of which serves as the state mineral for Connecticut. Large quantities of them are ground up and made into a kind of sandpaper, while their hardness on the Mohs scale varies from 6 to 7.5. FTP, identify this group of silicate minerals, a red gemstone variety of which is the birthstone fo
Six varieties of this mineral are recognized, including grossularite, pyrope, spessartite, uvarovite, andradite, and almandine, the last of which serves as the state mineral for Connecticut. Large quantities of them are ground up and made into a kind of sandpaper, while their hardness on the Mohs scale varies from 6 to 7.5. FTP, identify this group of silicate minerals, a red gemstone variety of which is the birthstone for January.
Six varieties of this mineral are recognized, including grossularite, pyrope, spessartite, uvarovite, andradite, and almandine, the last of which serves as the state mineral for Connecticut.
garnet