Cacholong Opal Tumbles #3 measure approximately 1 5/16" to 1 3/4" grams (33.3mm to 44.5mm) and weigh approximately .5 to 1.2 ounces (12.1 to 31.0 grams). These are a beautiful bright white Common Opal (no fire). Please let me pick one for you. These are $4.00 USD each.
(Healing Crystal, Ascension Crystal)
Hardness: 5.5 - 6.5
Origin: Unknown