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Fireworks 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 and tin oxides, or diamond. Mohs hardness 5 to 5.5.
Coming Soon !!    Fireworks Obsidian Rough - $5.00/pound - SALE $3.00/pound!
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
SALE
Price
Fireworks
Obsidian #1
Measures approximately 5-1/2" x 3-3/4" x 3-3/4 to 1-3/4" thick.
5.49 pounds
$35.69
$16.47
Fireworks
Obsidian #2
Measures approximately 5" x 3-3/4" x 4-1/2" to 1-1/4" thick.
5.50 pounds
$35.75
$16.50
Fireworks
Obsidian #3
Measures approximately 7" x 5-1/2" x 5" thick. SOLD
12.74 pounds
$63.70
$38.22

We also have SLABS of this material.

Coming Soon !!   Starry Night Obsidian Rough - $5.50/pound - SALE $2.00/pound!
Locality: Mexico

Starry Obsidian has wonderful white to colored spots and patterns on a black background. The surface of Starry Night Obsidian is a little crackly, but it isn't that noticable because it takes a good polish. Cuts easily and polishes well with diamond. Note: the crackly nature of this material makes it unsuitable for knapping.

Sample of Starry Night Obsidian Rough
Cabochon cut from Starry Night Obsidian
Item Number
Description
Weight
Price
SALE
Price
Starry Night
Obsidian #1
Measures approximately 5" x 4-1/4 to 3-1/2 " x 3" thick. SOLD
9.60 pounds
$36.91
$13.42

We also have SLABS of this material.

Agate   Alunite   Angelite   Assortments   Calcite   Chalcedony   Charoite   Chrysocolla   Chrysoprase   Coral (Fossilized)   Crinoid Marble   Dinosaur Bone   Dolomite   Dumortierite   Golden Amphibolite   Goldstone   Jade   Jasper   Lepidolite   Obsidian   Petrified Wood   Phosphosiderite   Psilomelane   Rhyolite   Ruby-in-Fuchsite   Ruby-in-Zoisite   Selected Materials   Seraphinite (Clinoclore)   Stichtite   Tiger Eye   Tumbling Rough   Turquoise   Variscite  
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