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Formation Archive
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The Formation of Cat Eye Stone
Posted on June 24, 2010 | No CommentsQuartz Cat’s Eye and Wood Alexandrite Cat’s Eye are both the aggregation of quartz and fibrous silicotic mineral. The difference is that Quartz Cat’s Eye belongs to the gem class,... -
The Formation of Sapphire
Posted on June 7, 2010 | No CommentsWe have not been able to find the textual research when the sapphire was discovered, but there is the document mentioning that it has been over 2000 years since Sri... -
The Formation of Jade
Posted on May 18, 2010 | No CommentsThe geological conditions for the formation of jade are very harsh. According to the confirmation of general study, the geological environment should be high-pressure, the temperature between 150~300 ºC, the... -
The Formation of Ruby
Posted on March 28, 2010 | 1 CommentThe main chemical composition of the ruby contends a certain part of chromium hemitrioxide, the percentage of the chromium hemitrioxide in the dark red and minor transparent gem is 4%....
