Size shown by ruler in millimeters.
You are buying or bidding on the specimen shown
Pictures taken  bright sunlight.

These are natural crystals and will have flaws. Please examine carefully to determine suitability for your purpose.
 
Please inquire with questions before bidding or buying.
 
We will combine shipping. Request an invoice before paying.

International buyers:  Postage costs went up.  We list the minimum. It costs  the same whether you buy one or 4.  Please ask for a combined invoice.