Index to Minerals. 189 
Labradorite .... ...... Tee “ORE Khan a etn ees 139 
PaNMONTS.. 2.6 ees 144 Opal, Precious ........ 130 
SAD a ee Leo “Opal, Wire vse.satank ce 130 
Lead, Native .......... 103 Opal, Wood ........... 130 
Mepldolite ...5 2 snows: 137 Oriental Amethyst ....117 
0 Ce rae 135 Oriental Emerald ......117 
Leucopyrite .... ...... 114 Oriental Ruby ......... 117 
MAMONILC ... 2. ssc cee 112. Oriental Topaz: ......1. thf 
MPATICG) os losis gas etcse 10S; - Orpiment 14.0 posse eee 124 
PAMNACITS . oo. oe ste cee 10%,  Orthoclase: [7 sti Sas 136 
Livingstonite .. yee. OZOCETITG! es su it eee 126 
MPAeNeRITO 2... 22.05: 120° Paragonite! sc. eee 137 
MIBCUCLILE® 502 we tedecee aa). Pectolite 65006 ce hice 144 
US orto) ) i. ere 110: Penninite ...205 seen 140 
Malachite .... 62k... 102. ~=Periclasite . ..120 
Matardite .... ....... Eto: .. Petalite’s4 aden eke 132 
Mnmanosite......,...118 Petzite ...... sissbarin 96 
WMATCABITO”. 22... 2. ees dit Phologopite. ..32 svat. 137 
Margarite ............ 141, Pinite «.... cova 145 
Melaconite .... ....... 408. Plasma ...2..caueies 129 
Melanochroite .. ......105 Plumbogummite .. 105 
Melanterite .......... 12. Polyargyrite <;.2°2. 2 98 
Melonite ... ........ 109 Polybasite ...... ..:.. 98 
Menaccanite .... ..... 144. . “Prawe: «i's. ade eeeewess 129 
Menaipite .... ........ 105 Precious Opal ........ 130 
Mercury, Native ...... 101- Prehinite. 2.03 3s 145 
Miargyrite ...... ..... 98 Prochlorite .... ....... 141 
Microcline ...... ..... 130 -Proustites.....+2enee ue 98 
Milky Quartz ......... 129 Psilomelane .. ........ 113 
STLOTIEG e035 '5.5 ease so 203. >- Pyargyrite: so... inna 97 
METMOCUITO 6 5 286 bile ee o's L0G!” “Pyrite: 4 acne ‘iste wv eme 111 
WRIT wry ois. ss ose ee 0s 104 Pyrolusite .... Fee irs 4 
Mirabilite ....0 2sessss 123. Pyromorphite .. .. ...106 
Molybdenite ...... W222 Pyrophylilte?.a 4 se 143 
MIONADITO. gs oN ois) Faience 117 +=Pyrosclerite .... ...... 141 
Muscovite .... ....... 138 Pyrostilpnite ......... 99 
PIRSVALIG os ols an eas 96, Pyroxene =)... se. eee 131 
MSPEROIIEE: Sols. seo acess sets 142) Pyrrhotite. 25." souks. 111 
POULTON sooo) jn'ss va. ve 3 Seer Quarts >it sit sauane 129 
MGDHOLLC -. cn cee evens 185 Quartz, Crystal ....... 129 
PEPOCOULC: sce serosa woes 108 Quartz, Ferriginous ...129 
MtPAUING 265. 6s esses 123 Quartz, Milky ......... 128 
BPUR Octane ss a-eas kibee a spate 123 Quartz, Rose .......... 129 
QROCIAAG '|.63 a/c) sb oved 1386 Quartz, Smoky ........129 
PAUIWETNLG 5 lalate ere TGa. Realear yess.) bivaaders 124 
LES ag @ 8 2 gah Pagar An 110 Rhodochrosite .... ...1138 
DAVE oe. ie cv tewieerine 129Rhodonite .... .-- eee 131 
