EXPLANATION OF PLATES 



Xlll 



PLATE XII. (Facing p. .-SI 2.) 



r.EKYr, .VXD CTIItYSOliERYr, 



Fig. 1 . Emerald, crystal in calcite ; Colombia 



308, 

 •' -■ ., crystal in mica-schist : Salz- 



burg . . . 308, 



., ■-!. Emerald, cut . . . HOS, 



., 4. Beryl (golden beryl), crystal . 

 . "i. Aquamarine, crystal : Siberia 

 . 'i. T. ,, cut 



8 Chrysoberyl (Alexandrite), crystal . 



Urals 

 [fii. Alexandrite, cut-stone by daylight 

 .. ''^- ,, „ by candlelight 



,, 10. Chrysoberyl, crystal : Brazil 

 .■ 11. ,, (Cymophane), cut 



PLATE XIII. (Facing p. .328.) 



■I'Ol'.VZ AXD Kl-Cr.ASK 



Fig. 1. Topaz, blue crystal . Urals .-no, 



„ 1". ., the same, cut 330, 



,, -. .. dark yellow crystal : Brazil 



331 , 

 •2'/. . the same, cut . 331, 



., 3. ., pale yellow crystals : Saxony 



331, 

 ., 3i(. ,, the same, cut 331, 



., 4. ., rose-red crystal : Brazil 332, 



,, 4a. „ the same, cut . 332, 



,, 5. Euclase, crystal : Brazil 



PLATE XIV. (Facing p. 3G0.) 



ElTDCyrE, (I.VIiXET, AMI OLIVINE. 



Fig. 1. Epidote, crystals : Salzburg . 418 



,, 2. ,, cut . 418 



,, 3. Almandine, crystal in mica-schist 3o2, 3.03 

 „ 4. „ cut. [.SVr »/,sY, PL xviir.. 



Fig. 7] . . 3.52, 353 



„ 5. Pyrope (Bohemian garnet) in matrix 



356, 357 

 „ 6. „ (" Cape ruby "), cut . 366, 3f>0 



,, 7. Hessonite, crystals with diopside : 



Piedmont . . 350, 352, 454 



,, 8. Hessonite, cut : Ceylon . 350 



,, ;i. Demantoid, rough : Urals . 361 



,, 10. „ the same, cut . 361 



,, 11. Olivine (Chrysolite), crystal . 405 



„ 12. „ „ cut . . 406 



PLATE XV. (Facing p. 368.) 



IDOCRASE, DIOPTASE, AXD TOURMALINE. 



Fig. 1. Idocrase, crystals : Piedmont . .411 



., 2. ,, the same, cut . .411 



., 3. ,, cut : Vesuvius . . 412 



., 4. Dioptase, crystals : Siberia . . 420 



., 5. Tourmaline, rose -red and green 



crystal : Elba . . . 366 



,, 6. Tourmaline, red crystal : Siberia . 370 



314 



316 

 310 



;'.24 



.•!22 

 :ilii 



305 

 .305 



;!oo 



.■!02 



3:!S 

 33S 



336 



3.33 

 333 

 33(1 

 3:!(1 

 325 



Fig. 7. Tourmaline, green crystal : Brazil . 371 

 ,, 8, 0. ,, red and green crystal . 



Massachusetts . . . 366, 371 

 ,, 10. Tourmaline, brown, cut : Ceylon . 372 



11. 



blue, cut : Brazil 



372 



PLATE XVI. (Facing p. 376.) 



EELSPAR AMI OPAL 



Fig. 1 . Amazon-stone, crystals 



,, 2. Labradorite, polished 



,, 3, Labradorescent Felspar, polished 



,, 4. Moon-stone, rough . 



6. 



t . 



8. 



II. 

 10. 

 11. 



426 

 43? 

 432 

 420 



cut . . . 42!) 



Precious opal, rough : Australia 375, 382 



., the same, cut . 375, 382 



rough : Hungary 375, 379 



the same, cut . 375, 379 



Fire-opal, rough . . . 384 



cut . . 384 



PLATE XVir. (Facing p. 472.) 



IIHOUP OK IJTAIM'Z CiaSTALS (ROfJK-CJtYSTAL) : 



DAUi'iriMi. 472, 474, 476 



PLATE XVIII. (Facing p. 480.) 



f;UAUT/, (,VM) (lAHXE-l-). 



Fig. 111. Amethyst, crystals . . . 482 

 „ li. „ out . . . 48G 

 ,, 2. Rock-crystal with enclosures (" needle- 

 stone ") 475, 489 



,, 3^. Smoky-quartz, crystals . . 480 



,. 3/;, c. „ „ cut . . . 480, 481 



,, -ill, h. Cat's-oye, green and brown, cut 



491, 492 



,, 5. Tiger-eye, polished . . . 493 



,, (). Heliotrope, polished . . .511 



, 7. Almandine, cut. [This Pig. should have 



been placed with the other garnets 



on Plate XIV.] . . 352, 353 



PLATE XIX. (Facing p. 512.) 



AGATE. 



Fig. (I. Fortification-agate : Obersteiii 512, 513 

 „ h. Onyx-agate : Brazil . . .512, 513 



PLATE XX. (Facing p. 522.) 



LAI'Ifl-LAZULI, TURQUOISE, MALACHITE, 

 CHALCEDONY', AND AMBER. 



Fig. 1. Lapis-lazuli, polished 



,, 2. Turquoise, blue, cut . 



,, 3). ,, green, in matrix 



., 4ii. Malachite, rough 



,, 4&. ,, polished . 



,, ba, h. Onyx, cut 



,, (). Carnelian (Intaglio) 



,, 7. Carnelian-onyx (Cameo) 



,, 8. Chrysoprase, cut 



,, 9. Amber, polished in part 



