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Obsidian Rough
Obsidian comes in many types. Rainbow and color sheens produce unusual cabochons and knapped items. The color is the result of light play in the flow layers of the volcanic glass. Although obsidian has a reputation of being difficult to polish, we have found that if the stone is ground through successively finer grits and the stone isn't heated too much during the polishing stage, that a high polish can be obtained with cerium oxide, or diamond. Mohs hardness 5 to 5.5.
Fireworks Obsidian Rough - $5.00/pound
Only $2.50/lb. for Bulk Orders over 100 pounds.
Locality: Mexico
Fireworks Obsidian has wonderful white to colored patterns on a black background. Some portions of Fireworks Obsidian may be porous, but if you cut around these problem areas spectacular gems can be made from it. Note: the uneven hardness of this material makes it unsuitable for knapping.
Sample of Fireworks Obsidian Rough
Cabochon cut from Fireworks Obsidian
Item Number
Description
Weight
Price
Fireworks
Obsidian #1
Measures approximately 6-1/2" x 3-3/4" x 2-1/2 to 3" thick.
7.15 pounds
$35.75
Fireworks
Obsidian #2
Measures approximately 6-1/2" x 3-1/2" x 2-1/2" to 1/2" thick.
3.74 pounds
$18.70
Fireworks
Obsidian #3
Measures approximately 3-1/2" x 8-1/2" x 3-1/2" to 5-1/2" thick.
12.33pounds
$61.65
Fireworks
Obsidian #4
Measures approximately 6-1/2" x 4" to 2" x 3" to a point.
5.13 pounds
$25.65
Fireworks
Obsidian #5
Measures approximately 7" x 6" x 2-3/4" along a ridge.
10.02 pounds
$50.10
Fireworks
Obsidian #6
Measures approximately 1" to 5" x 7" x 2-1/2" to 3-1/2" thick.
8.16 pounds
$40.80
Fireworks
Obsidian #7
Triangular shape measures approximately 9 x 5 x 2-3/4" to an edge
6.45 pounds
$32.25
Fireworks
Obsidian #8
Measures approximately 4-1/2" x 6" x 3-1/2" to 4-1/2" thick.
11.63 pounds
$58.15
Fireworks
Obsidian #9
Measures approximately 8-1/2" x 4" x 3-3/4" at a peak
6.55 pounds
$32.75
Fireworks
Obsidian #10
Triangular shape measures approximately 9" x 6" x 4" to an edge.
8.50 pounds
$42.50

We will have SLABS of this material soon.

Agate   Alunite   Angelite   Assortments   Blue Willow Stone   Calcite   Chalcedony   Chrysocolla   Chrysoprase   Coral (Fossilized)   Dinosaur Bone   Dinosaur Dung (Coprolite)   Dolomite   Fossil Shell (Coquinite)   Goldstone   Graphic Stone   Hypersthene (Bronzite)   Indian Paint Rock   Jade   Jasper   Lapis Lazuli   Lepidolite   Mookate   Obsidian   Petrified Wood   Printstone   Psilomelane   Quartz   Rainbow Pyrite   Rainbow Travertine   Rhyolite   Ruby-in-Fuchsite   Seraphinite (Clinoclore)   Serpentine   Sodalite   Tiger Eye   Todolite   Tumbling Rough   Turquoise  
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