ia On CON nN Ss: 
MINERALOGY. 
MibaNeniBeuns = Generak Remarks se. eee ee 1 
I. CRYSTALLIZATION OF MINERALS: CRYSTALLOGRAPHY. 
t 
2. 
General Remarks on Crystallization..................... 4 
WeseRIpONS OL Crystals. 2c iis. was ew se ote ose wens tes 8 
ep laimanlom: Of. Mensa te eek sc Mon earner she ern, okie 8 
Measurement of Angles ; Goniometers............... 9 
I. Systems OF ORYSTALLIZATION: Forms and Struc- 
Cem O lar © GNC UaN Sir. secs csi a Fo tarot tesa vin ae 14 
Tg TIS OSTOIENTETO TS SUSI, hen 3 8 a aA Ue SH ae ee 17 
ay Wimeticvor Detragonal System 2... 5... ceu.2 se. oes cise 30 
3. Trimetric or Orthorhembic System...................00- By 
Ae Mono mliniG! SVSLOMIe \< Ae Ge cinn. aeiscee Gere Say oinuen oye cid w vic skys 40 
Gomme MON CH SNES EO MINE fares vic S-c05 Si fel sachs once) aca orian cn dunila aad Soho ee ae 
Opp blexca OMENS SUEMM cls oh ers oyskc ce ieielnc els bace a alan te ale @ ole ie ee 45 
Hepple xa oMmMals SCCUOM GG) oshr--tis syce he swoon ae ase 6 60 ones 4G 
Peemomlpolnedirail) SCCtIOM: fais: swale sii. < gas «ideas sie od, 49 
7. Distinguishing Characters of the Systems................ 54 
een Or COMPOUND CRYSTAUS! 7000. e 55 
HOR wor AGLION AGGREGATES (2.002.005 3500 toe. 58 
Il. PHYSICAL PROPERTIES OF MINERALS. 
1), ABLE AGUS is veces te ae RCE Se peau ace cea in CSR pe gen eee ae a 63 
Pupme LEM NI terres ieee ts aeteene ot ct en Oe al ou RT alto p “aie sping cleo) eum lot 64 
CPSC Clee Cumenvaltiye hss reneetins ay eisrs, ate eases Cyaclcal yis\en- id cinisiese aucie"s 64 
Peketmaction and: Polarinati@my sass cers ofa jt ol Soh snpsc. sys 66 
eed) icplnaMettnz, WiSttes COMO ee otis ue esses gales Sys wlinicceys oye 70 
Oupeleeuricniyeamde Mae Metisman se) 99 veSeve gis aie “a5 cyclasis eres sess! 73 
PEAS LC AOC Oise nites ser rMier ate ie, hetanh oelay tales ek E tks Geises vase aes 74. 
