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Gemtype Color Shape Weight Size Date Clarity Price Origin
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ID: 3088492 pcs
4.51ctw Prehnite
10.60 x 7.60 x 3.92mm
USD 12.63
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ID: 3894902 pcs
3.26ctw Prehnite
7.74 x 6.29 x 4.44mm
USD 16.30
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ID: 3196791 pcs
3.84ct Prehnite
11.92 x 8.16 x 5.90mm
USD 7.68
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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: 3262292 pcs
5.57ctw Prehnite
8.60 x 6.82 x 6.30mm
USD 15.04
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ID: 4182991 pcs
5.55ct Prehnite
15.18 x 8.80 x 7.37mm
USD 8.32
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ID: 3767441 pcs
2.24ct Prehnite
8.56 x 7.15 x 4.30mm
USD 15.68
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ID: 3765691 pcs
2.74ct Prehnite
9.34 x 7.09 x 4.99mm
USD 23.45
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ID: 4187801 pcs
4.36ct Prehnite
14.82 x 9.56 x 5.41mm
USD 6.54
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ID: 3725461 pcs
2.68ct Prehnite
9.78 x 7.66 x 4.82mm
USD 13.40
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ID: 4076001 pcs
2.21ct Prehnite
7.64 x 6.78 x 5.18mm
USD 3.45
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ID: 4184241 pcs
7.74ct Prehnite
14.71 x 10.41 x 8.02mm
USD 11.61
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ID: 2486751 pcs
5.62ct Prehnite
11.96 x 7.06mm
USD 25.29
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ID: 3769141 pcs
3.05ct Prehnite
9.00 x 8.17 x 4.96mm
USD 21.35
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ID: 3258734 pcs
6.70ctw Prehnite
8.99 x 6.50 x 3.92mm
USD 18.09
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ID: 3069011 pcs
3.01ct Prehnite
9.02 x 7.31 x 5.94mm
USD 8.43
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ID: 4075734 pcs
5.88ctw Prehnite
7.41 x 6.15 x 4.21mm
USD 9.17
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ID: 3762691 pcs
3.19ct Prehnite
9.42 x 8.26 x 5.05mm
USD 18.73
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ID: 3766861 pcs
2.20ct Prehnite
8.20 x 6.95 x 4.53mm
USD 18.83
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ID: 4184482 pcs
12.00ctw Prehnite
16.57 x 10.95 x 5.69mm
USD 18.00
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ID: 4182032 pcs
10.61ctw Prehnite
15.40 x 10.43 x 5.60mm
USD 15.92
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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.
English speaking customer support only

Toll Free - USA & Canada only:
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