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Natural Chalcosiderite Cutting Rough
Chalcosiderite is often confused with turquoise or variscite, but it is a fine gem material in its own right. Chalcosiderite is in the turquoise mineral family, but contains iron. This chalcosiderite is natural and untreated in any way. Chalcosiderite cuts easily and takes a good polish with diamond or tin oxide, followed by green rouge (Zam is a brand name for green rouge). Mohs hardness 4.
Natural Chalcosiderite Rough - $1.15/gram (~$520.62/pound)
Locality: Candelaria, Nevada

Sample of Chalcosiderite Rough.

Photo of Chalcosiderite when wet.
Item Number
Description
Weight
Price
Chalcosiderite#1
Measures approximately 1-3/4" x 1-1/2 to 3/4" x 5/8 to 7/16" thick.
36.82 gms.
$42.34
Chalcosiderite#2
Measures approximately 1-1/4-" x 1-1/4" x 3/4 to 1/2" thick.
31.86 gms.
$36.64
Chalcosiderite#3
Measures approximately 1-1/4" x 1-1/8" x 1-1/8 to 1/2" thick.
29.22 gms.
$33.60
Chalcosiderite#4
Measures approximately 1-3/8" x 7/8" x 5/8 to 3.8" thick.
20.89 gms.
$24.02
Chalcosiderite#5
Measures approximately 1-1/4" x 1" x 1/2 to 3/8" thick.
15.28 gms.
$17.57
Chalcosiderite#6
Measures approximately 1-1/4" x 1-1/8" x 7/8" thick at a peak.
19.05 gms.
$21.91
Chalcosiderite#7
Measures approximately 1-1/2" x 1-1/8" x 1/2 to 1/4" thick.
18.60 gms.
$21.39
Chalcosiderite#8
Measures approximately 1-1/4" x 1" x 3/8" thick.
11.11 gms.
$12.78
Chalcosiderite#9
Measures approximately 15/16" x 15/16" x 3/8" thick. Has a mix of very dark green, medium green and light green! SOLD
10.85 gms.
$12.48

Natural Chalcosiderite Rough - Grade #2 - $0.75/gram (~$340.19/pound)
Locality: Candelaria, Nevada

Grade #2 Chalcosiderite Rough.

Photo of Chalcosiderite when wet.
Item Number
Description
Weight
Price
Chalcosiderite#10
Measures approximately 2" x 1-1/2" x 1/2 to 1/4" thick.
31.34 gms.
$23.51
Chalcosiderite#11
Measures approximately 1-3/4" x 1" x 1/2 to 5/16" thick.
24.98 gms.
$18.74
Chalcosiderite#12
Triangular shape measures approximately 1-3/8" x 1" x 7/16 to 1/4" thick.
9.94 gms.
$7.46
Chalcosiderite#13
Measures approximately 1" x 15/16" x 15/16" thick at a peak.
17.45 gms.
$13.09

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