The type of jade
A: jadeite, China commonly known as "Jade", is a rising star in China's traditional jade, jade is in the top grade of all modern. Common emerald color white, gray, pink, light brown, green, green, yellow, purple, etc., most opaque, individual translucent, shiny glass
II: nephrite jade (Nephrite)
Jade features a Europe that this kind of kidney disease can be cured at the waist, decorated with ancient Chinese not only think that jade can ward off evil, and that jade powder to treat drinking. Nephrite jade in China has, jade, jasper, topaz, and black jade and other varieties.
III: Lantian
This jade, though not very beautiful, and easy processing.
Four: Nanyang jade
Nanyang jade, bright color, texture and more nuanced, good gloss, high hardness. Color to green, white, variegated based.
V:, agate
Agate with a beautiful pattern. Pure Agate who is white, because with other metal elements (such as Fe, Ni, etc.) appear gray, brown, red, blue, green, green, light green, black and other colors.
VI, precious stones
Rubies and sapphires are corundum mineralogical name. Trigonal system, crystal often has barrel, cone, plate, cylindrical, irregular granular so twill or stripes often crystal face. In addition to those who said transparent ruby red, other colors of transparent crystal corundum (gem can do), with them registering "Sapphire. " Such as yellow person, referred to as "yellow sapphire"; Green who said "green sapphire"