🌋 Unique volcanic glass - Limited export slots: --:--:--

Natural Volcanic Glass
Collection

Natural volcanic glass formations and obsidian varieties from Tanzania's active volcanic regions. Unique specimens for specialty collections.

Obsidian
Tektite
Volcanic Bombs

Volcanic Glass Specimens

Unique formations from Tanzania's volcanic activity

Black Obsidian

125g • Natural • Mirror finish

Volcanic Glass

Mahogany Obsidian

89g • Natural • Banded pattern

Natural Banding

Rainbow Obsidian

156g • Natural • Color flash

Iridescent Flash

Volcanic Bomb

2.3kg • Natural • Original shape

Aerodynamic Form

Volcanic Pumice

456g • Natural • Vesicular texture

Gas Bubble Texture

Raw Volcanic Glass

789g • Natural • Fresh formation

Recent Formation

Volcanic Glass Specifications

Type Color Range Transparency Size Range Grade Notes Formation Origin
Black Obsidian Black to dark gray Opaque to translucent 50g-2kg Mirror-like finish possible Rapid cooling lava Ngorongoro region
Mahogany Obsidian Black with brown bands Opaque 30g-1.5kg Natural banding patterns Layered volcanic flow Kilimanjaro slopes
Rainbow Obsidian Black with color flash Opaque with iridescence 40g-800g Spectral color displays Mineral inclusions Meru district
Volcanic Bombs Gray to reddish-brown Opaque 500g-10kg Original aerodynamic shape Airborne lava chunks Active crater sites
Pumice White to gray Opaque 100g-5kg Highly vesicular texture Gas-rich lava foam Oldoinyo Lengai

Specialty Export

Packaging & Handling

  • • Minimum order: 5kg or $500 value
  • • Cushioned export crating
  • • Fragile specimen protection
  • • HS Code: 2530.90.90 (Other volcanic materials)

Unique Features

  • • Natural volcanic formations
  • • Educational specimens available
  • • Museum-quality pieces
  • • Geological site documentation

Available Collections

0

Volcanic specimens in stock

Obsidian specimens 8 available
Volcanic bombs (2kg+) 4 available
Educational sets 6 available

Source Unique Volcanic Specimens

Natural glass formations from Tanzania's volcanic regions for specialty collections.

Educational Inquiry
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