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Silver Crown Psilomelane Cutting Rough
Psilomelane is actually manganese oxide. Silver Crown Psilomelane is manganese oxide in cryptocrystalline quartz. It is a very hard agate material that is easy to cut and polish. However, Silver Crown Psilomelane tends to gum up saw blades. So make sure your blades are well dressed before and after cutting. Silver Crown Psilomelane cuts like any other agate and takes a high polish with tin oxide, cerium oxide or diamond. It cuts very attractive gems. Mohs hardness 5 to 7.

We have four sizes of Silver Crown Psilomelane:
Medium-Small Size: Most pieces will cut cabochons.
Medium Size: Most pieces will cut large cabochons.
Large Size: Most pieces will cut small slabs, and/or cut cabochons.

Note: The mine is currently closed due to cave-in problems and may not be reopened for quite a while, if ever.

Medium-Small Size Psilomelane Rough - $18.00/pound
Locality: Chihuahua, Mexico

Medium-Small Size Psilomelane will cab nicely, but some pieces may be too small for cabs and better for tumbling.



Psilomelane cabochons.


Sample of Medium-Small Size Psilomelane rough.
Item Number
Description
Weight
Price
Psilomelane#1 6 piece parcel.
0.85 pounds
$15.30
Psilomelane#2 5 piece parcel.
0.61 pounds
$10.98

Medium Size Psilomelane Rough - $27.00/pound
Locality: Chihuahua, Mexico

Medium Size Psilomelane will cut small slabs and/or cut nice cabochons.



Psilomelane cabochons.

Sample of Medium Size Psilomelane rough.
Item Number
Description
Weight
Price
Psilomelane#11 Measures approximately 3" x 1-1/2 to 3/8" x 5/8" thick. Interesting bull's eye pattern on part of the stone and a quartz pocket in the center.
0.28 pounds
$7.56
Psilomelane#12 Parcel of 2 stones. One piece has a super swirl pattern and the other has small bull's eyes
0.35 pounds
$9.45
Psilomelane#13 Measures approximately 2" x 1-1/2" x 1 to 1/2" thick. Interesting swirl pattern on part of the stone and a quartz pocket in the center.
0.26 pounds
$7.02
Psilomelane#14 Measures approximately 3" x 7/8" x 1 to 1/2" thick. Drusy on one side. Nice swirls and liines!
0.36 pounds
$9.72
Psilomelane#15 Measures approximately 2-1/4" x 1" x 7/8 to 3/4" thick. Good swirl patterns and quartz line in the middle.
0.22 pounds
$5.94
Psilomelane#16 Triangular shaped piece measures approximately 2-1/8" x 1-1/2" x 1-3/8" thick at a peak. Nice swirl pattern, drusy pockets and gray drusy on one side.
0.20 pounds
$5.40
Psilomelane#17 Measures approximately 1-1/2" x 1-1/2" x 1" at the thickest point. Small bull's eyes.
0.22 pounds
$7.83

Large Size Psilomelane Rough - $35.00/pound
Locality: Chihuahua, Mexico

Large Size Psilomelane will cut medium slabs and/or cut huge cabochons.



Psilomelane cabochons.

Sample of Large Size Psilomelane rough.
Item Number
Description
Weight
Price
Psilomelane#21 Measures approximately 4" x 3" x 2-1/4 to 1" thick. Great pattern with wavy lines, translucent agate and drusy pockets. SOLD
3.17 pounds
$110.955
Psilomelane#22 Triangular piece measures approximately 2-1/2" x 2" x 2 to 7/8" thick. Great swirls and bulls eye patterns! SOLD
1.04 pounds
$36.40
Psilomelane#23 Triangular shape measures approximately 3-1/2" x 2-1/2" x 3/4" thick. Contains two bands of clear agate that intersect in a vee.
1.16 pounds
$40.60
Psilomelane#24 Measures approximately 2" x 1-1/4" x 1 to 1/2" thick. Lots of gray and white drusy pockets and white quartz! SOLD
0.34 pounds
$11.90
Psilomelane#25 Triangular piece measures approximately 2" x 2" x 1 to 1/2" thick. Has nice ripples and swirls. SOLD
0.33 pounds
$11.55
Psilomelane#26 Measures approximately 1-3/4" x 1-1/2" x 7/8 to 1/2" thick. This piece has nice bull's eyes and swirls throughout. SOLD
0.31 pounds
$10.85
Psilomelane#27 Measures approximately 2-1/4" x 1-1/4" x 1 to 1/4" thick. Contains nice swirls.
0.28 pounds
$9.80
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