202 BULLETIN 118, UNITED STATES NATIONAL MUSEUM. 



Pi tchblende =radiumite . 



Poly erase. 



Prehnite=Cape chrysolite, chlorastrolite, green agate, green star stone, greenstone, 



Isle Royal greenstone, Lake Superior greenstone, turtleback, zonochlorite. (See 



also thomsonite.) 

 Prosopite. 

 Pyrite=alpine diamond, fool's gold, Inca stone, Pennsylvania diamond, sulphur 



diamond. 

 Pyrophyllite =agalmatolite . 

 Pyroxene=alalite, bastite. bronzite, chalchihuitl (jadeite), diopside, enstatite, 



green garnet (enstatite), hypersthene, jade, jadeite, Labrador hornblende, malaco- 



lite, New Zealand greenstone, paulite, pink wollastonite, Schillerspar, violane, yu 



stone. 



Q. 



Quartz=agate, agate jasper, Alaska diamond, Alencon diamond, Aleppo stone, 

 amberine, amethyst, amethystine quartz, Ancona ruby, apricotine, Arkansas 

 diamond, arrow points, aventurine, azure quartz, Baffa diamond, basanite, 

 beckite, beekite, bishop's stone, bloodstone, blood jasper, blue chrysoprase, 

 blue moonstone, Bohemian diamond, Bohemian topaz, Bohemian ruby, Bra- 

 zilian diamond, Brazilian pebble, Brazilian topaz, Briancon diamond, Bris- 

 tol diamond, burnt amethyst, cacholong, cairngorm, California moonstone, Cape 

 May diamond, carnelian, carnelian-onyx, catalinite, Catalina sardonyx, cat's-eye, 

 cer-agate, chalchihuitl, chalcedony, chalcedony onyx, chalcedonyx, chert, china, 

 rump, chloropal, chrysoprase, Colorado topaz, Cornish diamond, cotterite, creolite, 

 crispite, crystal, cupid's darts, Dauphine diamond, dendritic agate, Egyptian jasper, 

 Egyptian pebble, eldoradoite, emeraldine, enhydros, eye agate, false diamond, 

 false lapis, false topaz, fancy agate, feminine carnelian, fleches d'amour, Fleurus dia- 

 mond, flint, flower stone, fortification agate, fossil coral, frost stone, geyserite, gold 

 quartz, golden topaz, hairstone, heliotrope, Herkimer diamond, Horatio diamond, 

 hornstone, Hot Springs diamond, hyacinth, Hungarian cat's-eye, hyacinth of Com- 

 postella, Imperial jade, Imperial yu stone, Indian agate, Indian topaz, iolanthite, 

 iridescent quartz, iris, Irish diamond, Isle of Wight diamond, jasp-agate, jasper, 

 jasperine, kinradite, Lake George diamond, lavendine, love arrows, lydian .stone, 

 Madeira topaz, Marmorosch diamond, masculine carnelian, milky quartz, mocha 

 stone, Mohave moonstone, Montana agate, Mont Blanc ruby, moonstone, Mora dia- 

 mond, morion, moss agate, moss jasper, mother of emerald, myrickite, needle- 

 stone, nicolo, novaculite, occidental agate, occidental amethyst, occidental cat's- 

 eye, occidental chalcedony, occidental diamond, occidental topaz, onegite, onyx, 

 orange topaz, oriental agate, oriental chalcedony, oriental jasper, ouachita stone, 

 Paphos diamond, pebble, Pecos diamond, petrified wood, plasma, prase, prismatic 

 moonstone, pseudo diamond, Quebec diamond, rainbow agate, rainbow quartz, 

 rhinestone, riband agate, riband jasper, ribbon agate, ring agate, river agate, rock 

 crystal, rose quartz, rubasse, sagenite, sandy sard, sapphire quartz, sapphirine, sard, 

 sardoine, sardonyx, Saxon topaz, Schaumberg diamond, Schiller quartz, Scotch 

 topaz, semicarnelian, Siberian amethyst, siderite, sinople, silicified wood, smoky 

 quartz, smoky topaz, soldier's stone, Spanish topaz, St. Stephen stone, star stone, 

 starolite, Swiss lapis, test stone, Texas agate, Thetis hairstone, tiger-eye, topaz, 

 touchstone, tree agate, tree stone, Trenton diamond, unripe diamond, Vallum dia- 

 mond, Venus hairstone, violite, water agate, wax agate, white carnelian, white 

 sapphire, white topaz, wood agate, woodstone, zonite. 



R. 



Realgar. 



Rhodochrosite. 

 Rhodonite=fowlerite. 



