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 BHowliteBlues40x30mmOval30mmhttp://www.firemountaingems.com/itemdetails/h201512cbH201512CBCabochon, howlite (dyed), turquoise blue, 40x30mm calibrated oval, B grade, Mohs hardness 3 to 3-1/2. Sold individually.//image1.fmgstatic.com/images/p1512cbb.jpg6.726.72As Low As $2.83 per cabochon