Scheelite with Dolomite and Calcite/Lapis Lace Onyx Tumbles #1 measures approximately 5/8" to 1 3/8" (15.9mm to 35.0mm) without the silver loop and/or bale, and it weighs approximately .2 to .6 ounces (4.7 to 15.9grams). These were purchased from a vendor from Turkey who is a geologist.. Please let me pick one for you. These are $3.00 USD each.
(Healing Crystal)
Hardness: 4.5 - 5.0
Origin: Turkey