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This is crushed Fluorite from 1/2″ to 1 1/2″ in size.  Although somewhat difficult to polish Fluorite makes a very pretty tumbled stone. 

Fluorite will polish best by not mixing with other types of stones and using an additional pre polish step with 1000 grit Aluminum Oxide and requires a special polishing process.

MOHS hardness scale of  4-5

Click here for polishing instructions for softer materials

Video of Fluorite being Tumbled


Fluorite, also referred to as fluor-spar, is a mineral composed of Calcium Fluoride.  It is a widely occurring mineral found world wide and is often found with metallic minerals such as Galena, Sphalerite, Barite, Quartz and Calcite.  Fluorite may fluoresce strongly in ultraviolet light which may be due to the presence of some impurities such as Yttrium.  It can be used in high performance telescopes, camera lens, enamels and in the making of opalescent glass.

Additional information

Bag Size

1 Lb Fluorite, 2 Lbs Fluorite, 3 Lbs Fluorite, 5 Lbs Fluorite

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Keystone, SD 57751

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