PSILOMELANE (GROUP OF MANGANESE OXIDE MINERALS) TUMBLES #1
Psilomelane (Group of Manganese Oxide Minerals) Tumbles #2 measure approximately 1/4" to 1 5/16" (12mm to 33mm) and weigh approximately 1.6 to 5.2 grams. This crystal has a slightly lighter gray/black pattern in it that is quite unusual and lovely. Psilomelane is very rare, and Judy Hall identifies Psilomelane with Quartz as Merlinite. Please let me pick one for you. These are $2.00 USD each.
Hardness: 5.0 - 7.0
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