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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (25): Howlite Howlite Clear All
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ID: 4229822 pcs
thumb image of 46ct Drilled Sphere Greyish White Howlite (ID: 422982)
46.04ct Howlite
14.47mm
USD 36.83
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ID: 4229833 pcs
thumb image of 69.6ct Drilled Sphere Greyish White Howlite (ID: 422983)
69.64ct Howlite
14.47mm
USD 55.71
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ID: 3211161 pcs
thumb image of 8.1ct Oval Cabochon Greyish White Howlite (ID: 321116)
8.12ct Howlite
16.29 x 12.38 x 4.62mm
USD 20.30
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ID: 4229843 pcs
thumb image of 69.2ct Drilled Sphere Greyish White Howlite (ID: 422984)
69.17ct Howlite
14.45mm
USD 55.34
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ID: 3224411 pcs
thumb image of 9.4ct Oval Cabochon Greyish White Howlite (ID: 322441)
9.40ct Howlite
18.02 x 13.04 x 4.64mm
USD 23.50
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ID: 3209602 pcs
thumb image of 12.7ct Oval Cabochon Greyish White Howlite (ID: 320960)
12.74ct Howlite
14.19 x 10.45 x 4.87mm
USD 31.85
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ID: 2735181 pcs
thumb image of 8.8ct Oval Cabochon Greyish White Howlite (ID: 273518)
8.82ct Howlite
18.29 x 13.23 x 4.83mm
USD 22.05
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ID: 4318831 pcs
thumb image of 8.2ct Oval Cabochon Greyish White Howlite (ID: 431883)
8.19ct Howlite
15.99 x 12.48 x 4.61mm
USD 14.66
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ID: 4229855 pcs
thumb image of 74.5ct Drilled Sphere Greyish White Howlite (ID: 422985)
74.47ct Howlite
12.48mm
USD 59.58
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ID: 2735241 pcs
thumb image of 9.7ct Oval Cabochon Greyish White Howlite (ID: 273524)
9.74ct Howlite
17.84 x 12.88 x 4.95mm
USD 24.35
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ID: 3211171 pcs
thumb image of 8.4ct Oval Cabochon Greyish White Howlite (ID: 321117)
8.38ct Howlite
16.34 x 12.41 x 4.84mm
USD 20.95
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ID: 3224341 pcs
thumb image of 9.6ct Oval Cabochon Greyish White Howlite (ID: 322434)
9.63ct Howlite
16.86 x 12.86 x 5.18mm
USD 24.07
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ID: 3209682 pcs
thumb image of 11.9ct Oval Cabochon Greyish White Howlite (ID: 320968)
11.94ct Howlite
14.40 x 10.54 x 4.63mm
USD 29.85
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ID: 4229802 pcs
thumb image of 45.6ct Drilled Sphere Greyish White Howlite (ID: 422980)
45.57ct Howlite
14.44mm
USD 36.46
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ID: 4229876 pcs
thumb image of 91.6ct Drilled Sphere Greyish White Howlite (ID: 422987)
91.64ct Howlite
12.58mm
USD 73.31
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ID: 2735171 pcs
thumb image of 10ct Oval Cabochon Greyish White Howlite (ID: 273517)
9.99ct Howlite
18.24 x 13.37 x 5.07mm
USD 24.98
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ID: 3209672 pcs
thumb image of 11.4ct Oval Cabochon Greyish White Howlite (ID: 320967)
11.35ct Howlite
14.34 x 10.44 x 4.73mm
USD 28.38
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ID: 3209692 pcs
thumb image of 10.9ct Oval Cabochon Greyish White Howlite (ID: 320969)
10.86ct Howlite
14.28 x 10.33 x 4.56mm
USD 27.15
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ID: 3226871 pcs
thumb image of 9.5ct Oval Cabochon Greyish White Howlite (ID: 322687)
9.53ct Howlite
17.77 x 13.08 x 4.94mm
USD 23.82
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ID: 3224361 pcs
thumb image of 9.2ct Oval Cabochon Greyish White Howlite (ID: 322436)
9.15ct Howlite
18.06 x 13.14 x 4.44mm
USD 22.88
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ID: 2735441 pcs
thumb image of 8.3ct Oval Cabochon Greyish White Howlite (ID: 273544)
8.33ct Howlite
16.25 x 12.44 x 4.82mm
USD 20.82
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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

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

Note: 1ct = 0.2g

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