Feldspar ceramic blocks for CAD/CAM (I14 A1C Vitablocs Mark II; Vita Zahnfabrik, Bad Säckingen, Germany) were milled under water-cooling obtaining a cylindrical shape (12 mm of diameter) and then they ...

The most contrasted varieties are alkali-feldspar granites of the Q3 facies, with numerous granophyric intergrowths in the matrix (Fig. 7c), and porphyritic syenogranites (granite porphyries) of the ...

After recently announcing the MRE of ~45MT 0.38% TREO for the eudialyte component and 180 MT for the industrial mineral by-products of feldspar and arfvedsonite, together with previously announced ...

Labradorite, a relatively inexpensive plagioclase feldspar that has been used extensively as a high-end countertop material, was first recognized in Labrador, Canada, in 1770. It has since been ...