|
January Birthstone - Garnet
|
|
Garnet fact file
|
Crystal Structure: isometric,dodecahedral
Chemical Composition: silicate mixtures of magnesium, iron, and aluminum
Hardness: 6 ½ to 7 ½ MOHS
|
Refractive Index: 1.7 to 1.8
Colors: Every color but Blue
|
Garnets ( Rhodolite ) are the January birthstones.Garnets were known as carbuncles
in the old ages.
The popular perception of garnets is of red globules and crystals,
much like pomegranate seeds. However, garnets come in a variety of colors including
orange, golden, cinnamon, green, yellow - except blue.
Name
The name comes from the Latin granatum, which means seedlike, as the red variety
resembles pomegranate seeds.
Related Pages:
|
|
|