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Kingstonite Native Copper in Rhyolite Rough
- $6.50 to $15.00/pound
Locality: Kingston Mine, Upper peninsula, Michigan
Kingstonite is full of native copper in a brick red to pinkish-orange matrix. It cuts fabulous stones. Kingstonite usually has some fracturing and can have pits, but stones cut from this material have great color with lots of fabulous bling and garner high prices.
The #1 Quality material tends to have less fracturing and more native copper than the #2 material. However, the #2 material will still cut fabulous stones with lots of bling and will probably give you a better return on your money when cutting and selling stones.
Kingstonite cuts relatively easily and polishes with diamond or tin oxide. A quick final polish with jeweler's rouge or Zam (green rouge) polishes up the copper to a high sheen! Mohs hardness appoximately 4 to 5.
 Sample of Kingstonite Rough (#1 Quality on Left #2 Quality on Right) |
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Kingstonite #1
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Measures approximately 7-3/4" x 4-1/4" x 3 to 1" thick. Beautiful red color with lots of native copper! SOLD |
6.64 pounds
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$106.24
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Kingstonite #2
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Measures approximately 9" x 4-1/2" x 1-3/4" thick. Has some fractures, but is a fabulous piece. |
8.02 pounds
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$128.32
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Kingstonite #3
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Triangular shape measures approximately 9-1/2" x 4" x 1-7/8" thick. Has some fractures, but is a fabulous piece. |
9.02 pounds
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$144.32
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Kingstonite#4
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Measures approximately 4-1/2 x 3" x 3-1/2" at the thickest point. Spectacular native copper inclusions! SOLD |
4.22 pounds
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$67.52
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Measures approximately 6 x 4" x 2-5/8 to 1" thick. Spectacular native copper inclusions! |
6.69 pounds
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$107.04
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Kingstonite#6
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Measures approximately 6 x 3-3/4" x 2-3/4 to 1" thick. Spectacular native copper inclusions! |
5.37 pounds
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$85.92
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Triangular shape measures approximately 5-1/2 x 4" x 1-5/8 to 1" thick. Spectacular native copper inclusions! SOLD |
2.77 pounds
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$44.32
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Kingstonite#8
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2-piece parcel measures approximately 3 x 1-7/8" x 1-1/8" thick, and 4" 1-1/2" x 1-1/8" thick. Spectacular native copper inclusions! SOLD |
1.92 pounds
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$30.72
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Kingstonite#9
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3-piece parcel. All can be worked with a 6" saw. SOLD |
1.13 pounds
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$18.08
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Kingstonite #10
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Measures approximately 3" x /-3/4" x 5/8 to 1/2" thick. Solid piece with nice pockets of native copper! SOLD |
0.61 pounds
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$3.66
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Kingstonite #11
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Measures approximately 5-1/2" x 3-1/2" x 3-1/2" thick. Nice Slabber!. SOLD |
6.12 pounds
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$36.72
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Kingstonite #12
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Measures approximately 4" x 3-1/2" x 2-3/4" thick. Has lots of copper and some spots of green epidote! SOLD |
4.61 pounds
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$27.66
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Kingstonite #13
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Triangular shape measures approximately 6" x 4" x 3" thick at a peak. Lots of copper, but has vugs. |
3.60 pounds
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$21.60
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Kingstonite#14
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Measures approximately 4-1/2 x 3" x 3-1/2" thick at a peak. Solid piece with nice pockets of native copper! SOLD |
2.74 pounds
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$16.44
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Kingstonite #15
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2-piece parcel measures approximately 5-1/2" x 2-1/2" x 1-1/8 to 5/8" thick, and a triangular piece at 5" x 3-1/4" x 7/8 to 1/4" thick. Solid pieces with good color and nice pockets of native copper! SOLD |
2.08 pounds
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$12.48
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Kingstonite#16
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Measures approximately 3 x 2-1/2" x 1-1/8" thick. Lots of copper, but has some vugs. |
1.17 pounds
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$7.02
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Kingstonite #17
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Triangular shape measures approximately 5-3/4 x 4-1/2" x 2-1/8 to 3/4" thick. Lots of copper, but has some vugs. |
2.98 pounds
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$17.88
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