Peridot Author champ Date March 3, 2015 Peridot (/ˈpɛrɨdoʊ/ or /ˈpɛrɨdɒt/) is gem-quality olivine. Olivine is a silicate mineral with formula...
Pyrope Author champ Date March 2, 2015 The mineral pyrope is a member of the garnet group. Pyrope is the only...
Citrine Author champ Date March 1, 2015 Citrine is a variety of quartz whose color ranges from a pale yellow to...
