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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 three sizes of Silver Crown Psilomelane:
Small Size: Some pieces will cab nicely, but others may be too small for cabs and better for tumbling.
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.
The prices for psilomelane will go up in September.

Small Size Psilomelane Rough - $16.50/pound
Locality: Chihuahua, Mexico

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



Psilomelane cabochons.


Sample of Small Size Psilomelane rough.
Item Number
Description
Weight
Price
Psilomelane#1 16 piece parcel.
0.52 pounds
$8.58
Psilomelane#2 19 piece parcel.
0.53 pounds
$8.75
Psilomelane#3 13 piece parcel.
0.50 pounds
$8.25
Psilomelane#4 14 piece parcel.
0.51 pounds
$8.42
Psilomelane#5 7 piece parcel.
0.51 pounds
$8.42
Psilomelane#6 6 piece parcel.
0.52 pounds
$8.58
Psilomelane#7 12 piece parcel.
0.52 pounds
$8.58
Psilomelane#8 8 piece parcel.
0.52 pounds
$8.58
Psilomelane#9 12 piece parcel.
0.51 pounds
$8.42
Psilomelane#10 8 piece parcel.
0.54 pounds
$8.91

Medium Size Psilomelane Rough - $24.00/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 Three piece parcel.
.81 pounds
$19.44
Psilomelane#12 Three piece parcel.
.78 pounds
$18.72
Psilomelane#13 Three piece parcel.
.67 pounds
$16.08
Psilomelane#14 Three piece parcel.
.86 pounds
$20.64
Psilomelane#15 Three piece parcel.
.80 pounds
$19.20
Psilomelane#16 Three piece parcel.
.82 pounds
$19.68
Psilomelane#17 Three piece parcel.
.79 pounds
$18.96
Psilomelane#18 Two piece parcel.
.72 pounds
$17.28
Psilomelane#19 Two piece parcel.
.56 pounds
$13.44
Psilomelane#20 Three piece parcel.
.83 pounds
$19.92

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 Triangular piece measures approximately 3-1/4" x 2-1/2" to a point x 3/4" thick.
.70 pounds
$24.50
Psilomelane#22 Rectangular piece measures approximately 3-1/2" x 3" to a point x 1-1/4" thick.
1.22 pounds
$42.70
Psilomelane#23 Triangular piece measures approximately 2-1/4" x 4" to a point x 1" thick.
1.11 pounds
$38.85
Psilomelane#24 Measures approximately 3" x 4" to 2-1/2" x 1-1/4" thick.
.81 pounds
$28.35
Psilomelane#25 Triangular piece measures approximately 2" x 4" to a point x 1-1/2" thick.
.73 pounds
$25.55
Psilomelane#26 Piece measures approximately the size of one youth size fist.
.67 pounds
$23.45
Psilomelane#27 Piece measures approximately the size of one youth size fist.
.75 pounds
$26.25
Psilomelane#28 Triangular piece measures approximately 3" x 3" to a point x 1-1/4" thick.
.61 pounds
$21.35
Psilomelane#29 Measures approximately 3" x 2" x 7/8" to 3/8" thick.
.55 pounds
$19.25

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