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.
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Sample of Spiderweb Obsidian Rough |
Spiderweb Obsidian cabochon. |
Item Number |
Description |
Weight
|
Price |
Spiderweb Obsidian #1
|
Measures approximately 3-1/2"
x 3" x 3" thick.SOLD |
1.77 pounds
|
$15.05
|
Spiderweb Obsidian #2
|
Measures approximately 4" x 2-3/4"
x 2-1/4" thick. |
1.57 pounds
|
$13.35 |
Spiderweb Obsidian #3 |
Measures approximately 5" x 2-1/2" x 2-1/2" at a peak. SOLD |
1.65 pounds
|
$14.03 |
Spiderweb Obsidian
#4 |
Diamond shape measures approximately
5" x 4" at widest points x 2-3/4" at a peak. SOLD
|
1.80 pounds
|
$15.30 |
Spiderweb Obsidian #5 |
Triangular shape measures approximately 4-1/2" x 3-3/4" at widest points
x 3" to an edge. |
2.13 pounds |
$18.11 |
Spiderweb
Obsidian #6 |
Measures approximately 4"
x 3-1/2" x 2" thick.
SOLD
|
1.86 pounds |
$15.81 |
Spiderweb Obsidian #7 |
Measures approximately 3-1/2" x 3" x 2-1/2" at a peak. |
1.42 pounds |
$12.07 |
Spiderweb
Obsidian #8 |
Triangular shape measures approximately
5" x 3-1/4" at widest points x 3-1/2" at a peak. |
1.85 pounds
|
$15.73 |
Spiderweb Obsidian #9
|
Triangualr shape measures
approximately 5" x 3-3/4" at widest points x 2-3/4" at a peak. SOLD |
2.23 pounds |
$18.96 |
Spiderweb
Obsidian #10 |
Measures approximately 3-1/2"
x 3-1/4" x 2" at a peak. |
1.25 pounds |
$10.63
|
Starry Night Obsidian Rough -
$5.50/pound
Locality: Mexico
Only
$3.50/lb. for Bulk Orders
over 100 pounds.
Only
$2.75/lb. for Bulk Orders
over 500 pounds.
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.
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Sample
of Starry Night Obsidian Rough |
Cabochon cut from Starry Night Obsidian |
Item Number
|
Description
|
Weight
|
Price
|
Starry Night
Obsidian #1 |
Triangular shape measures approximately 7-1/2" x 6-1/4" x 3-1/2"
to a point thick. |
6.45 pounds
|
$35.48
|
Starry Night
Obsidian #2 |
Measures approximately 5-3/4" x 4" x 3-3/4" to 2" thick.
SOLD
|
3.65 pounds
|
$20.08
|
Starry
Night
Obsidian #3 |
Triangular shape measures approximately 6-1/2" x 4-1/2" at widest points
x 2-3/4" to 2" thick |
3.70 pounds
|
$20.35
|
Starry Night
Obsidian #4 |
Triangular shape measures approximately 6-1/2" x 5" at widest points
x 2-1/2" thick. |
3.50 pounds
|
$19.25
|
Starry Night
Obsidian #5 |
Triangular shape measures approximately 8" x 4" at widest points x 4"
thick. |
4.95 pounds
|
$27.23
|
Starry Night
Obsidian #6 |
Measures approximately 7" x 6-1/4" x 4-1/2" to 1" thick |
8.00 pounds
|
$44.00
|
Starry Night
Obsidian #7 |
Measures approximately 7" x 7" to 3" x 4-1/4" to 1-1/2"
thick. |
6.00 pounds
|
$33.00
|
Starry Night
Obsidian #8 |
2 piece parcel measures approximately 4-1/2" x 2" to a point x 1-1/2"
thick & 5-1/2" x 3-1/4" x 3" to a point thick.SOLD |
1.70 pounds
|
$9.35
|
Starry Night
Obsidian #9 |
Measures approximately 6" x 5" x 5" thick |
11.0 pounds
|
$60.50
|
Starry Night
Obsidian #10 |
Triangular shape measures approximately 9-1/2 to 6-1/4" to 3-1/2" x
4-1/2 to 1-1/2" thick. |
8.60 pounds
|
$47.30
|
Fireworks
Obsidian Rough - $5.00/pound
Locality: Mexico
Only
$3.25/lb. for Bulk Orders
over 100 pounds.
Only
$2.75/lb. for Bulk Orders
over 2000 pounds.
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.
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|
Sample
of Fireworks Obsidian Rough |
Cabochon cut from Fireworks Obsidian |
Item Number
|
Description
|
Weight
|
Price
|
Fireworks
Obsidian
#1 |
Measures approximately
5" x 3-1/2" x 2-1/2 to 1" thick.
SOLD |
1.70 pounds
|
$8.50
|
Fireworks
Obsidian #2 |
2 Piece parcel measuring 3-1/2" x 2-3/4" x 1-3/4" thick & 2-3/4"
x 3" x 1-3/4" thick. |
1.60 pounds
|
$8.00
|
Fireworks
Obsidian #3 |
Measures
approximately 6" x 3-3/4" to 1-1/2" wide x 2" thick.
|
2.70 pounds
|
$13.50
|
Fireworks
Obsidian #4
|
Measures approximately 5-1/2" x 4-1/2"
at widest point x 2" thick. SOLD |
3.30 pounds
|
$16.50
|
Fireworks
Obsidian #5 |
Two piece parcel measuring approximately 6" x 2-1/2" to 1-1/2 x 2"
to a point thick and 5" x 2-1/2" to a point x 1-3/4" thick. |
2.15 pounds
|
$10.75
|
Fireworks
Obsidian #6 |
Measures approximately 4-1/4" x 2-1/2" x 2" to 1" thick.
|
1.55 pounds
|
$7.75
|
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 |
2 piece parcel measures approximately 2-3/4" x 2-1/2" x 2-1/2"
to 1" thick & 4" x 2" x 1-1/2" to 3/4" thick. |
2.95 pounds
|
$14.75
|
Fireworks
Obsidian #9 |
Measures approximately 5" x 3-1/2" x 3" to 1-1/2" thick. SOLD |
2.80 pounds
|
$14.00
|
Fireworks
Obsidian #10 |
Measures approximately 7-1/2" x 6" x 5-3/4" to a point thick. SOLD
|
6.15 pounds
|
$30.75
|
NEW!! Red
Obsidian Rough - $4.50/pound
Locality: Mexico
Only
$3.00/lb. for Bulk Orders
over 100 pounds.
Only
$2.25/lb. for Bulk Orders
over 2000 pounds.
Red Obsidian is a new material in
a color rarely found in obsidian. It cuts and polishes like most other obsidians.
Sample of Red Obsidian Rough |
Item Number
|
Description
|
Weight
|
Price
|
Red
Obsidian #1
|
Measures approximately 8"
x 6" x 3" at a peak. |
6.37 pounds
|
$28.67
|
Red
Obsidian #2 |
2 Piece parcel measuring 3-1/2" x 2-3/4" x 1-3/4" thick & 2-3/4"
x 3" x 1-3/4" thick. |
1.60 pounds
|
$7.20
|
Red
Obsidian #3 |
Measures approximately
8" x 3-1/2" x 3-1/2" thick.
SOLD |
4.18 pounds
|
$18.81
|
Red
Obsidian #4
|
Measures approximately 6" x 4"
at widest point x 2" thick. |
2.35 pounds
|
$10.58
|
Red
Obsidian #5 |
Measures approximately 5-3/4" x 4-1/2"
x 2-3/4" at a peak. |
3.42 pounds
|
$15.39
|
Red
Obsidian #6 |
Measures approximately 5-1/2" x 3-1/2" x 3-1/2" at a peak. |
2.98 pounds
|
$13.41
|
Red
Obsidian #7 |
Measures approximately 8-1/4" x 6"
x 3-1/2" at a peak. |
8.2 pounds
|
$36.90
|
Red
Obsidian #8 |
Measures approximately 4" x 4"
x 3" to an edge. |
1.83 pounds
|
$8.24
|
Red
Obsidian #9 |
2 piece parcel measuring approximately 4-1/4" x 2-1/4" x 1-3/4" thick & 3"
x 2-1/2" x 1-1/8" thick. |
1.81 pounds
|
$8.15
|
Red
Obsidian #10 |
Three piece parcel. |
2.61 pounds
|
$11.75
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