CABOCHON - Gemstone cut, flat of bottom and round on top.
CAMEO - Are raised portraits, which are sculptured onto gemstones.
CABBING - cabochon cutting
CARAT - The measurement which is used to weigh gemstones for sale. Price is calculated by carat. A carat is one-fifth of a gram.
CHAKRA - One of the seven centers of spiritual energy in the human body according to yoga philosophy.
COATING - Coating of gemstones brings out their color and seals them. Petroleum, oil and wax are common coatings used.
CORUNDUM - The earth alumina, as found native in a crystalline state.
CRYSTALLINE - Resembling crystal, as in transparency or distinctness of structure or outline.
