Turquoise

Turquoise

Color Sky-blue, blue-green, apple-green
Color of steak White
Mohs' hardness 5-6
Density 2.31-2.84
Cleavage None
Fracture Conchoidal, uneven
Crystal system (Triclinic) seldom; Grape-shaped aggregates
Chemical composition CuAl6(PO4)4(OH)8*4H2O; A copper containing basic aluminum phosphate
Transparency Translucent, opaque
Refractive index 1.610-1.650
Double refraction +0.040
Dispersion None
Pleochroism Absent
Absorption spectrum (460), 432, (422)
Fluorescence Weak; Green-yellow, light blue

We have the pleasure of introducing ourselves to you as one of the most reputable gem stone manufacturer and exporter in Hong Kong, Taiwan and China, who has been engaged in gem stone business since 1978, we have established good relationship with customers from all over the world by setting up high standard quality control system and providing professional service.

Supporting many kinds of semi-precious quartz, agate, onyx, jasper in beads, carvings, and accessories, also we produce designed jewelry, necklace, rings, bracelet, earrings with gem stones and silver findings according to your design.

With 33 years' experience and well trained employees, we are your best partner in gem stone business,
More information about us, please take reference to New Prosperity Gem
If there is any question, please feel free to let us know any time.

We are looking forward to serving you in the near future.