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We are open one Saturday a month, or catch us by appointment! PM us on FB!
Signed in as:
filler@godaddy.com
We love fluorite and all it's colors! It is known to be the most colorful mineral in the world. The vitreous luster mineral comes in: green, purple, yellow, blue, black, white, pink, red, brown and orange. The variety of color is even extended when it exhibits fluorescence under ultraviolet light.
The most famous locality of fluorite is Castleton in Derbyshire, England, where, under the name of Derbyshire Blue John, purple-blue fluorite came from several mines or caves. The mineral was much in demand in the 18th century for ornamental vases and columns in some of the finest houses in Britain, most notably Chatsworth House, Derbyshire, the home of the Duke and Duchess of Devonshire.The mineral Blue John is now scarce, and only a few hundred kilograms are mined each year for ornamental and lapidary use. Mining still takes place in Blue John Cavern and Treak Cliff Cavern. Recently discovered deposits in China have produced fluorite with coloring and banding similar to the classic Blue John stone.
Luckily, fluorite is a widely occurring mineral across the earth with significant deposits in over 9,000 areas. The world reserves of fluorite are estimated at 230 million tons! The largest deposits are in South Africa, Mexico and China.
We are from Fort Wayne, Indiana where some wonderful honey-colored fluorite that is clear as water was found in a local quarry. Unfortunately, the public cannot collect there, most of it that is on the market is from old stock and found in collections belonging to old rockhounds. See a picture of this pretty fluorite on matrix in natural light as well as it showing its fluorescence by clicking here.
A nice example of Fluorite showing how it crystallizes in a cubic motif.
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