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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (28): Howlite Howlite Clear All
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ID: 2735441 pcs
thumb image of 8.3ct Oval Cabochon Greyish White Howlite (ID: 273544)
8.33 ct Howlite
16.3 x 12.4 mm
$ 20.82
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ID: 2735181 pcs
thumb image of 8.8ct Oval Cabochon Greyish White Howlite (ID: 273518)
8.82 ct Howlite
18.3 x 13.2 mm
$ 22.05
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ID: 2735471 pcs
thumb image of 8.6ct Oval Cabochon Greyish White Howlite (ID: 273547)
8.56 ct Howlite
16.2 x 12.4 mm
$ 21.40
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ID: 4229822 pcs
thumb image of 46ct Drilled Sphere Greyish White Howlite (ID: 422982)
46.04 ct Howlite
14.5 mm
$ 36.83
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ID: 4484871 pcs
thumb image of 632.7ct Carved Elephant Greyish White Howlite (ID: 448487)
632.74 ct Howlite
63.9 x 34.9 mm
$ 316.37
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ID: 4229802 pcs
thumb image of 45.6ct Drilled Sphere Greyish White Howlite (ID: 422980)
45.57 ct Howlite
14.4 mm
$ 36.46
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ID: 4484861 pcs
thumb image of 368.1ct Carved Turtle Greyish White Howlite (ID: 448486)
368.10 ct Howlite
57.6 x 36.2 mm
$ 184.05
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Howlite
By chemical composition, howlite is a calcium borosilicate hydroxide. It was first discovered at Tick Canyon in Southern California in 1868. It was named after Henry How (1828-1879), a Canadian mineralogist who first described it.

Howlite is typically white or grayish white with fine grey or black or brown veins, often in a web-like pattern. It is opaque with a sub-vitreous luster sometimes described as porcelaneous. It is usually found in borax deposits in the desert clays of California.
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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

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