タイトルまたは説明
Smoky Quartz
Color Brown to black, smoky
gray
Color of steak White
Mohs’ hardness 7
Density 2.*5
Cleavage None
Fracture Conchoidal, very
brittle
Crystal system (Trigonal), hexagonal prisms
Chemical composition SiO2 silicon
dioxide
Transparency Transparent
Refractive index:
1.****1.**3
Double refraction *0.**9
Dispersion 0.**3（0.**8）
Pleochroism Dark: definite; brown,
reddish-brown
Absorption spectrum Cannot be
evaluated
Fluorescence Usually none
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 ***8, 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 *3 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.
| 国: |
Hong Kong |
| モデル番号: |
MSMQ
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| 离岸价格: |
（交渉可能）
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