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Semi-Precious Stones vs. Precious Stones

Posted by OakRocks on 10th Jul 2016

Semi-Precious Stones vs. Precious Stones

What is the difference between precious stones and semi-precious stones? The dictionary describes semi-precious stones as being less valuable than precious stones. But, of course, that …

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Jaspers of the Oregon Idaho Area

Posted by OakRocks on 22nd Apr 2016

Jaspers of the Oregon Idaho Area

The best picture jaspers in the world come from the Oregon-Idaho border. Jasper is a member of the chalcedony family.Chalcedony, pronounced kal sid nee, is any form of microcrystalline quartz …

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Posted by OakRocks on 26th Jul 2015

Collecting Fluorescent Minerals

For many rock collectors it is not about beauty, or rarity, or location.  Fluorescence is about how that rock or mineral looks under a UV light.  Some ordinary and often ugly rocks …

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