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Deep Blue Sodalite

The Gemstone Sodalite




Sodalite is a blue gemstone almost invariably veined with white streaks or markings. Its ideal color is an intense blue, and it comes in all shades of blue from light blue to deep royal-blue, and from grayish-blue to violet. Often different shades of blue will be present in a single gemstone. Sodalite is an opaque gemstone, though it is slightly translucent on thin edges.
Chemical Formula Na8Al6Si6O24Cl2
Color Blue, Purple
Hardness 5.5 - 6
Crystal System Isometric
Refractive Index 1.48
SG 2.2 - 2.3
Transparency Opaque
Double Refraction None
Luster Greasy or waxy
Cleavage 3,6
Mineral Class Sodalite

Sodalite ON EBAY

ALL ABOUT
Sodalite is not a prevalent gemstone, and suitable material only comes from a handful of localities. Despite this, Sodalite is a fairly inexpensive and obtainable. It is very similar to the more popular Lapis Lazuli, and may be used as a substitute for that more valuable gemstone.

Sodalite can be strongly fluorescent, often fluorescing bright orange to red, or cream. It may also be tenebrescent, in that its color will deepen upon exposure to ultraviolet light. This is especially true of the purple variety Hackmanite.

USES
Sodalite is a minor gemstone and usually faceted into beads for necklaces and bracelets, with individual beads usually large in size. Tumbled rough Sodalite is also strung and used in jewelry. Sodalite is also used for ornamental carvings such as animal carvings and small statues.

VARIETIES
  • Hackmanite  -   Purple, sulfur-rich variety of Sodalite, usually with a pink or purple color. Hackmanite is an uncommon gemstone and is known for its tenberescent ability.


Sodalite TREATMENTS AND ENHANCEMENTS
Sodalite is natural and not treated or enhanced.

Sodalite SOURCES
The primary workable Sodalite deposits are in Afghanistan, Australia, Brazil, and Canada (Ontario and British Columbia).


SIMILAR GEMSTONES
Lapis Lazuli can appear similar to Sodalite with its intensely blue color, though it is usually associated with sparkling Pyrite which Sodalite lacks.


Sodalite PHOTOS [Click photos for more details]

Sodalite IN THE ROUGH PHOTOS [Click photos for more details]

 
ADDITIONAL RESOURCES
 
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