Turquoise blue howlite is dyed to resemble turquoise. Howlite can contain grey to black inclusions and occasional matrix. Named for its discoverer, Henry How, a Nova Scotia geologist, howlite is famous for imitating other minerals. Found in California, USA.
Color may vary from dye lot to dye lot. Testing for colorfastness is recommended.
Cabochons>Grade B>HowliteCabochonsGrade BHowliteBlues9x7mmOval7mmhttp://www.firemountaingems.com/itemdetails/h201504cbH201504CBCabochon, howlite (dyed), turquoise blue, 9x7mm calibrated oval, B grade, Mohs hardness 3 to 3-1/2. Sold per pkg of 10.//image4.fmgstatic.com/images/p1504cbb.jpg6.236.23As Low As $0.26 per cabochon