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 BHowliteBlues25x18mmOval18mmhttp://www.firemountaingems.com/itemdetails/h201510cbH201510CBCabochon, howlite (dyed), turquoise blue, 25x18mm calibrated oval, B grade, Mohs hardness 3 to 3-1/2. Sold per pkg of 2.//image1.fmgstatic.com/images/p1510cbb.jpg5.325.32As Low As $1.09 per cabochon