This natural Greyish White Howlite originates from United States and its weight is about 1.5 carats. The measurements are 9.58mm x 7.54mm x 2.92mm (length x width x depth). The shape/cut-style of this Howlite is Oval Cabochon. This 1.74ct Howlite gem is available to order and can be shipped anywhere in the world. Gemstone Certification can also be provided as an optional service.
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.
Excellent will be returning to make more purchases! Ordered one sapphire and one tourmaline, both arrived within 3 working days and appeared to be the exact stones shown in both pictures.Smooth transaction and very well set out website, easy to use and informative. Will definately be buying more gems from Gemselect. Gems are a little darker than they appear on the website.