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Natural Cumpas Turquoise Rough
Turquoise is a copper-based mineral (hydrated copper aluminum phosphate). Turquoise polishes well with diamond, tin oxide or green rouge.

Natural Cumpas Turquoise Rough - Fine Blue Color, Medium-Large Size
- $350/pound (~$0.77/gram)
Locality: Cumpas, Sonora, Mexico

This material is a fine light blue with little to no brown matrix and some "waterwebbing"; a white version of spiderwebbing.


Cabochon cut from this material.
Fine Blue Natural Cumpas Turquoise from Sonora, Mexico at $350/pound
 
Item Number Description Weight Price
Natural Cumpas#1
Triangular shape measures approximately 2-5/8" x 2-1/8" x 1-1/8" thick.
0.2686
pound
$94.01
Natural Cumpas#2
Measures approximately 2-1/2" x 2" x 1-1/2" thick with quartz inclusions.
0.4131
pound
$144.59
Natural Cumpas#3
Measures approximately 1-7/8" x 1-1/2" x 1-1/8" thick.
0.1853
pound
$64.86
Natural Cumpas#4
Triangular shape measures approximately 2" x 1-1/2" x 3/4" thick with quartz inclusions.
0.1883
pound
$65.91
Natural Cumpas#5
Measures approximately 2-1/4" x 1-1/2" x 1 to 5/8" thick.
0.1943
pound
$68.01
Natural Cumpas#6
Measures approximately 1-7/8" x 1-5/8" x 1-3/8 to 5/8"" thick.
0.2476
pound
$86.66
Natural Cumpas#7
Measures approximately 1-1/4" x 1-1/4" x 3/4" thick.
0.0989
pound
$34.62
Natural Cumpas#8
Diamond shape measures approximately 1-3/4" x 1" x 7/8 to 1/2" thick with quartz inclusions.
0.0660
pound
$23.10
Natural Cumpas#9
Diamond shape measures approximately 3-1/4" x 2-1/2" x 1-5/8" thick.
0.7521
pound
$263.24
Natural Cumpas#10
Triangular shape measures approximately 1-7/8" x 1-3/8" x 1-3/16" thick at a peak.
0.1534
pound
$53.69
Natural Cumpas#11
Measures approximately 1-1/4" x 1" x 5/8" thick at a peak.
0.0638
pound
$22.33
Natural Cumpas#12
HUGE PIECE!!! Triangular shape measures approximately 8-1/2" x 6-1/2" x 4-3/8" thick at a peak.
9.95
pounds!
$3,482.50
Natural Cumpas#13
Triangular shape measures approximately 3-1/8" x 2-1/2" x 2-1/2 to 1-3/4" thick.
1.1201
pound
$392.04
Natural Cumpas#14
Triangular shape measures approximately 1-1/2" x 1-1/4" x 3/4" thick. SOLD
0.0746
pound
$26.11
Natural Cumpas#15
Triangular shape measures approximately 1-5/8" x 1-1/4" x 1-3/8 to 1/2" thick.
0.1117
pound
$39.10
Baja Stabilized Turquoise   Battle Mountain, Nevada Stabilized Turquoise   Blue Ice Stabilized Turquoise   Campitos Natural Turquoise   Campitos Stabilized Turquoise   Natural Chalcosiderite   Chinese Stabilized Turquoise   Chinese Stabilized Spiderweb Turquoise   Cumpas Natural Turquoise   Cumpas Stabilized Turquoise   Kingman Stabilized Turquoise   Mixed Stabilized Turquoise   Nacozari Enhanced Turquoise   Nacozari Natural Turquoise   Nacozari Stabilized HUGE Turquoise   Nacozari Stabilized and Polished Turquoise   Sonoran Blue Natural Turquoise   Treatments for Turquoise  
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