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Gemtype Color Shape Weight Size Date Clarity Price Origin
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ID: 3766402 pcs
4.00ctw Prehnite
7.55 x 6.89 x 4.70mm
USD 28.00
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ID: 4181782 pcs
8.80ctw Prehnite
14.95 x 9.80 x 5.61mm
USD 13.20
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ID: 3194551 pcs
4.40ct Prehnite
12.10 x 8.40 x 6.56mm
USD 8.80
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ID: 4184231 pcs
9.98ct Prehnite
16.72 x 12.00 x 9.00mm
USD 14.97
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ID: 4183491 pcs
8.27ct Prehnite
15.62 x 11.25 x 9.04mm
USD 12.40
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ID: 3211411 pcs
2.67ct Prehnite
9.66 x 7.16 x 5.12mm
USD 5.34
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ID: 3672514 pcs
7.57ctw Prehnite
7.85 x 5.70mm
USD 37.85
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ID: 2435471 pcs
8.90ct Prehnite
15.85 x 12.00 x 7.82mm
USD 40.05
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ID: 3685711 pcs
2.07ct Prehnite
7.63 x 4.84mm
USD 10.18
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ID: 3896222 pcs
2.22ctw Prehnite
7.52 x 5.80 x 3.35mm
USD 11.10
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ID: 3223731 pcs
1.73ct Prehnite
8.47 x 7.10 x 3.76mm
USD 8.65
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ID: 4182721 pcs
6.53ct Prehnite
13.82 x 10.63 x 7.75mm
USD 9.80
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ID: 4184211 pcs
12.78ct Prehnite
19.32 x 12.17 x 10.10mm
USD 19.17
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ID: 4185861 pcs
6.83ct Prehnite
16.46 x 11.45 x 6.48mm
USD 10.24
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ID: 4183342 pcs
10.55ctw Prehnite
15.53 x 10.83 x 5.40mm
USD 15.82
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ID: 4183531 pcs
8.91ct Prehnite
16.17 x 10.76 x 9.30mm
USD 13.36
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ID: 3246222 pcs
4.89ctw Prehnite
10.16 x 7.08 x 4.75mm
USD 12.22
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ID: 2251641 pcs
5.60ct Prehnite
11.92 x 10.02 x 7.46mm
USD 25.20
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ID: 3767201 pcs
2.40ct Prehnite
7.83 x 7.23 x 4.89mm
USD 14.14
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ID: 3767911 pcs
3.60ct Prehnite
8.81 x 8.29 x 5.66mm
USD 25.20
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ID: 3725541 pcs
1.70ct Prehnite
6.73 x 6.08 x 5.11mm
USD 8.50
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Prehnite
Prehnite, a form of calcium aluminum silicate, has a vitreous to pearly luster. Affordably priced for its size, with a Mohs hardness of 6 to 6.5, Prehnite makes distinctive and interesting jewelry.

Typically found in yellow-green or brown-yellow, Prehnite is for the gem lover who likes something unusual. Until recently, this was a rare gemstone, but new deposits have made it more available.

Prehnite is said to encourages composure, forgiveness and acceptance and is excellent for meditation. Prehnite also helps sufferers of claustrophobia.

Prehnite was named after a Dutch mineralogist, Colonel von Prehn. Deposits are found in Australia, China, Scotland, South Africa and the USA.
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1-800-464-1640

International:
+66-39303404

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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart