Black Obsidian Tumbles – Natural Polished Stone

These black obsidian tumbles are polished from natural volcanic glass and feature a smooth finish with deep black color and a glossy surface. Formed through rapid cooling of silica-rich lava, obsidian develops without a crystalline structure, giving it a uniform appearance and natural glassy texture. The tumble shape enhances the polished surface while making each piece easy to display, collect, gift, or use as a decorative stone. Some pieces may show subtle natural variation in luster, translucency at thinner edges, or minor surface character caused by the original material. Each tumble is unique in shape, finish, and natural detail, offering a simple polished form that highlights the distinct appearance of black obsidian.

Key Features
Natural black obsidian tumbles
Smooth polished finish
Deep black natural color
Volcanic glass material
Suitable for display, collecting, gifting, or decorative use
Unique natural surface character

Formation
Black obsidian forms when silica-rich lava cools rapidly, creating natural volcanic glass with a smooth texture and uniform dark appearance.

Product Details
Stone: Black Obsidian
Shape/Form: Tumbles
Size: See selection

Due to natural formation, each piece will vary slightly in color, pattern, and mineral inclusions.