bijoux-et-mineraux:
Opal with Agate - Eskisehir Province, Central Anatolia, Turkey Opal nodule cut and polished showing dendrites of manganese minerals with agate filling in the cracks in the interior.
Opal with Agate - Eskisehir Province, Central Anatolia, Turkey
Opal nodule cut and polished showing dendrites of manganese minerals with agate filling in the cracks in the interior.