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Gemtype Color Shape Weight Size Date Clarity Price Origin
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ID: 3762771 pcs
2.96ct Prehnite
9.85mm x 8.23mm x 4.67mm
USD 17.38
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ID: 3687971 pcs
3.64ct Prehnite
10.49mm x 8.51mm x 5.23mm
USD 17.91
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ID: 3679794 pcs
2.98ctw Prehnite
5.61mm x 3.09mm
USD 14.78
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ID: 3895992 pcs
2.09ctw Prehnite
7.38mm x 5.30mm x 3.36mm
USD 10.45
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ID: 3051892 pcs
3.74ctw Prehnite
7.97mm x 5.35mm
USD 18.70
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ID: 3261921 pcs
4.09ct Prehnite
9.92mm x 8.12mm x 6.79mm
USD 11.04
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ID: 2435471 pcs
8.90ct Prehnite
15.85mm x 12.00mm x 7.82mm
USD 40.05
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ID: 3263692 pcs
4.87ctw Prehnite
8.70mm x 7.83mm x 4.91mm
USD 13.15
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ID: 3246222 pcs
4.89ctw Prehnite
10.16mm x 7.08mm x 4.75mm
USD 12.22
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ID: 4076221 pcs
2.34ct Prehnite
8.23mm x 7.55mm x 4.90mm
USD 3.65
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ID: 4181792 pcs
10.27ctw Prehnite
14.51mm x 10.70mm x 5.30mm
USD 15.40
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ID: 4182091 pcs
3.63ct Prehnite
11.51mm x 8.15mm x 6.38mm
USD 5.44
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ID: 2748971 pcs
4.62ct Prehnite
11.33mm x 11.29mm x 4.56mm
USD 10.63
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ID: 4187941 pcs
4.88ct Prehnite
15.64mm x 10.28mm x 5.36mm
USD 7.32
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ID: 4187931 pcs
4.75ct Prehnite
15.05mm x 10.37mm x 5.45mm
USD 7.12
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ID: 3258734 pcs
6.70ctw Prehnite
8.99mm x 6.50mm x 3.92mm
USD 18.09
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ID: 3763184 pcs
7.94ctw Prehnite
8.05mm x 7.09mm x 4.23mm
USD 46.61
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ID: 3685701 pcs
1.73ct Prehnite
7.65mm x 3.80mm
USD 8.51
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ID: 4231176 pcs
57.01ctw Prehnite
10.58mm
USD 82.66
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ID: 3686784 pcs
5.60ctw Prehnite
6.44mm x 4.12mm
USD 27.55
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ID: 3725061 pcs
2.85ct Prehnite
8.08mm x 7.22mm x 6.36mm
USD 14.25
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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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Toll Free - USA & Canada only:
1-800-464-1640

International:
+66-39340503

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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