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Minerals by Name - U
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The mineral name itself is a link to the description of that mineral species. while the number to the left is the count of the number of specimens currently available for sale. The count may be zero, but if the link is active then there are specimens available to view, just not currently for sale. If the count is zero and the link is not active, then there are no specimens in the database. Remember, there may be more than one page of specimens, so you may need to select Next Page one or more times to see the entire list of available specimens.
Click on the Sale link to jump to the first sale item!

0 ULEXITE (Sodium Calcium Borate Hydroxide)
0 ULLMANNITE (Nickel Antimony Sulfide)
0 URANINITE (Uranium Oxide)
0 URANOCIRCITE (Hydrated Barium Uranyl Phosphate)
Sale! 1 URANOPHANE (Hydrated Calcium Uranyl Silicate)
0 URANOPILITE (Hydrated Uranyl Sulfate Hydroxide)
0 UVAROVITE (Calcium Chromium Silicate)
0 UVITE (complex Calcium Sodium Magnesium Iron Boro-Aluminum Silicate Hydroxide)