Dioptase - Specimen warm tone crystal The crystal faces are sharply

The crystal faces are sharply formed and highly reflective

Approximate Size for 1 sphere: 30mmApproximate Weight for 1 sphere: 44g

Description: Obsidian is a naturally occurring volcanic glass formed in swiftly cooling lava that has a high silica content

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A-R6 and A-1 Thumler Rock Tumblers

Dioptase - Specimen warm tone crystal The crystal faces are sharplyMined from: Mindouli District, Pool Department, Republic of the Congo Description: This Dioptase specimen from Congo has the kind of color that makes the species instantly recognizable. The crystals are a deep blue green to emerald teal, with a glassy luster and sharp faces that catch light from nearly every angle. This piece has strong texture as well, with densely packed crystal growth over a darker earthy matrix, giving it both sparkle and depth