Mountain "jade" is actually a high-grade dolomite marble from Asia. Mountain "jade" is a useful cabochon for accents and design center points where economy and top class really matter. This is the type of gemstone used by makers of fine costume jewelry.
Cabochons>Grade B>Mountain "Jade"CabochonsGrade BMountain "Jade"Whites40x30mmOval30mmhttp://www.firemountaingems.com/itemdetails/h202904cbH202904CBCabochon, white mountain "jade" (dolomite marble) (natural), 40x30mm calibrated oval, B grade, Mohs hardness 3. Sold per pkg of 4.//image1.fmgstatic.com/images/p2904cbb(2).jpg17.3517.35As Low As $2.27 per cabochon