| January |
Garnet
|
Any of several common, aluminum or calcium silicate minerals,
generally crystallized, often embedded in igneous and metamorphic
rocks |
| February |
Amethyst
|
A purple or violet form of transparent quartz or a purple
variety of corundum |
| March |
Aquamarine
|
A transparent blue-green variety of beryl |
| April |
Diamond
|
An extremely hard, highly refractive crystalline form of carbon
that is usually colorless |
| May |
Emerald
|
A brilliant green to grass-green transparent variety of beryl |
| June |
Pearl
|
A smooth, lustrous, variously colored deposit, chiefly calcium
carbonate, formed around a grain of sand or other foreign matter
in the shells of certain mollusks |