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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.
Spiderweb Obsidian Rough - $8.50/pound
Locality: Chihuahua, Mexico

Spiderweb Obsidian was recently discovered in Chihuahua, Mexico. A small amount of rough was mined before it played out. Therefore, this beautiful material will no longer be available. We were very lucky to be able to obtain some of the last rough that the mine produced and are pleased to be able to offer it for sale.

Sample of Spiderweb Obsidian Rough
Spiderweb Obsidian cabochon.
Item Number
Description
Weight
Price
Spiderweb Obsidian #1 2 piece parcel, 1 Medium, 1 Small size.

1.90 pounds

$16.15
Spiderweb Obsidian #2 3 piece parcel, 1 Med. 2 Small size. SOLD
1.80 pounds
$15.30
Spiderweb Obsidian #3 2 piece parcel, both Med. size. SOLD
2.30 pounds
$19.55
Spiderweb Obsidian #4 Measures approximately 5" x 3" x 2" thick. SOLD
1.90 pounds
$16.15
Spiderweb Obsidian #5 3 piece parcel, 1 Lrg., 1 Med., 1 Small size.
2.25 pounds
$19.13
Spiderweb Obsidian #6 Measures approximately 4-1/2" x 2-1/2" x 2-3/4" thick. SOLD
1.80 pounds
$15.30
Spiderweb Obsidian #7 2 piece parcel, both Med. size.
1.80 pounds
$15.30
Spiderweb Obsidian #8 2 piece parcel, 1 Large, 1 Med. size.
1.71 pounds
$14.54
Spiderweb Obsidian #9 2 piece parcel, 1 Large, 1 flat size.
1.95 pounds
$16.58
Spiderweb Obsidian #10 2 piece parcel, 1 Large, 1 Small size.
2.10 pounds
$17.85
We also have SLABS of this material.
Agate   Alabaster   Alunite   Angelite   Assortments   Astrophyllite   Aventurine   Calcite   Chalcedony   Chrysocolla   Chrysoprase   Coral (Fossilized)   Dinosaur Bone   Dinosaur Dung (Coprolite)   Dolomite   Eudialite   Fossil Shell (Coquinite)   Goldstone   Graphic Stone   Hypersthene (Bronzite)   Indian Paint Rock   Ivoryite   Jade   Jasper   Jet   Lapis Lazuli   Larimar   Lepidolite   Malachite   Marble   Obsidian   Petrified Wood   Pipestone   Printstone   Psilomelane   Quartz   Rainbow Pyrite   Rhodonite   Rhyolite   Ruby-in-Fuchsite   Seraphinite (Clinoclore)   Serpentine   Shell   Soapstone   Sodalite   Tiger Eye   Todolite   Tumbling Rough   Turquoise   Unakite  
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