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This very special variety of quartz gave the name to the
same property it shows. This is due to mainly the small
mica inclusions, in some cases, other inclusions changes
the color and we will get yellow, brown, blue or green
aventurine
> technical/details
SiO2 - Silicon Dioxide
This form of Crypto
crystaline Quartz contains inclusions of small crystals
that reflect light and give a range of colors -
depending on the nature of the inclusion. Hence
aventurine may be green, greenish-brown, bluish-white,
bluish green and orange. Aventurine claim to fame is
having inclusions that look like sparkles. Extremely
high quality aventurine (without the inclusions), looks
like an emerald.
Colors
Green, greenish-brown,
blueish-white, bluish green and orange.
Care and Treatment
Aventurine has been
confused with amazonite and jade. Dark green Aventurine
generally has inclusions (due to green fuchsite mica and
perhaps a bit of pyrite) which creates a speckled
appearance.
Aventurine, it is usually
assumed to be green if a color is not associated with
it.
Translucent Aventurine
often fades in the sun
Hardness
Aventurine has a hardness
rating of 7.
Specific Gravity: 2.65 -
2.66
Where Found
Aventurine is found in
Brazil, India, Japan, Russia, Tanzania, and USA |
