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The Green River Fossil Formation

Posted by Oak Rocks on 20th Jun 2023

The Green River Fossil Formation is one of the best known and most prolific fossil locations in the U.S. About 55 million years ago, d

Posted by OakRocks on 19th May 2023

The large annual Denver Gem Show is always held around the second week of September. HISTORY OF THE DENVER GEM, ROCK, MINERAL AND FO

Posted by Oak Rocks on 22nd Apr 2023

Cabbing Tigereye to take full advantage of its special beauty takes a little extra care. In the world of gemstones, there are so m

Posted by OakRocks on 25th Oct 2021

In Part 1 of my All About Macrocrystalline Quartz series we discussed the basics of Macrocrystalline Quartz: science, nomenclature, var

Posted by OakRocks on 20th Sep 2021

Quartz can have several phenomena including phantom crystals, rainbows or asterism (star effect). In Part 1 of my All About Macrocryst

Posted by OakRocks on 20th Aug 2021

Quartz has long been the subject of spiritual beliefs and folklore. We were fortunate enough recently in acquiring a large stock of