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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (28): Howlite Clear All
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ID: 4229822 pcs
46.04ctw Howlite
14.47mm
USD 36.83
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ID: 3209662 pcs
11.68ctw Howlite
14.32mm x 10.43mm x 4.62mm
USD 29.20
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ID: 2735171 pcs
9.99ct Howlite
18.24mm x 13.37mm x 5.07mm
USD 24.98
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ID: 3209602 pcs
12.74ctw Howlite
14.19mm x 10.45mm x 4.87mm
USD 31.85
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ID: 3211171 pcs
8.38ct Howlite
16.34mm x 12.41mm x 4.84mm
USD 20.95
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ID: 3224361 pcs
9.15ct Howlite
18.06mm x 13.14mm x 4.44mm
USD 22.88
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ID: 4229843 pcs
69.17ctw Howlite
14.45mm
USD 55.34
Item in Stock
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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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