Page 251 - A Practical Introduction to Optical Mineralogy

INDEX INDEX
carbonates 132-8, 3.2 crocidolite 52 ferberite 17 5 hydroxides 169-71
ankerite 137 cross-hatched twinning 75 ferrianilmenite 156 brucite 169
aragonite 136, Table 3.1 crossed polars ferritchromite 160 goethite 170
calcite 134, Table 3.1 adjustment 27, 28 ferropseudobrookite 156 lepidocrocite 170
dolomite 137, Table 3.1 reflected light 20, 213 field diaphragm 3, 17 limonite 170
rhodochrosite Table 3.1 transmitted light 4 first-order red plate 191
siderite 137, Table 3.1 crossite 51, Table 4.10 flash figures 196-7 idocrase 30, 129
strontianite Table 3.1 cryptomelane App. C fluorite 168, 240, Table 1.1, Table 1.2 illite 32, 60
witherite Table 3.1 cryptoperthite 70, 73 focusing (of microscope) 5 ilmenite 156, 162, App. C
carlsbad twins 80 crystal symmetry 206, 5.4 forsterite 95-7 ilmeno-hematite 156
carlsbad-albite twinning 80 cubanite App. C framboidal pyrite 149 incident illuminators 13-14, 1.4
carrollite App. C cummingtonite-grunerite 45 framework silicates 34 inclusions 21
cassiterite 158-9, App. C cuprite 178, App. C freibergite 154 inosilicates 30
celestine see celestite cyclosilicates 30 Fresnel equation 203-6 chain silicates 30
celestite 172 ring silicates 30 single chain silicates 31 , 2.1
celsian feldspar 84 galena 145, App. C, Table 1.1 double chain silicates 31, 2.2
chain silicates 3G-1 desert rose 17 5 gangue minerals App. E interference colours 8-9, 186-9
single 31 , 2.1 determination of order of colour 191 garnet group 6, 30, 87-8 interference figure 9-10, 192-6, 4.20, 4.21
double 31, 2.2 diamond Table 1.2 gedrite 43 internal reflections 21
chalcocite 142, App. C diaphragm 3 gehlenite 90 iron App. C
chalcopyrite 143, App. C digenite 142, App. C geikielite 162 iron-titanium oxides 155-6
chalcopyrrhotite 151 diopside- hedenbergite 11 108 gersdorffite App. C isochromatic curves 194
chlorite 34, 57-8 dispersion 12 ' glaucodot App. C isogyres 194-5
chloritoid 30, 58 dispersion curves 204 glaucophane-riebeckite 51-2 isotropism 8
djurleite 143, App. C isotropic
chondrodite 88 goethite 170, App. C
chromite 160, App. C, Table 3.2 dolomite 137, Table 3.1, 240 gold 178, App. C crystals (transmitted light) 181
chrysotile 119 dominant wavelength 210 goldfieldite App. C sections (reflected light) 213
cinnabar 144, App. C graphite 178, App. C
eckermannite-arfvedsonite 55-6 jacobsite App. C
clay minerals 8, 32, 59-60 eclogite 88 grossular 87-8
illite 60 grunerite 45 jadeite 112
edenite 47 jamesonite App. C
kaolin 59 electrum 178, App. C gypsum 171, 174, Table 1.2
montmorillonite 60 emerald 56
smectite 60 enargite App. C habit 6 K-feldspar 72-7
vermiculite 60 halides 167-9 kaersutite 54
enstatite-orthoferrosilite 105-7 Kalb light line 24, 1. 7
cleavage epidote group 30, 63-7 fluorite 168
reflected light 21 clinozoisite 64-5 halite 169 kalsilite 84
transmitted light 6 epidote (pistacite) 66-7 halite 169 kamacite App. C
clinohumite 88-9 zoisite 63-4 structure 3.15 kaolin(ite) 32, 59
clinopyroxenes 11, 99-102, 103 108-17 exsolution lamellae 102-3 hastingsite 47 katophorite 54, Table 4.10
clinozoisite 64-5 ' hauyne 84 kyanite 30, 37, Table 4.10
extinction angle 1G-11, 2()()-1
cobaltite 144, App. C eyepiece 4 hematite 161, App. C, Table 1.1
cohenite App. C hemo-ilmenite 156 lepidocrocite 170, App. C
collophane 17 5 fayalite 95-7 hercynite 165-6, Table 3.2 lepidomelane 93
colour (of a mineral) feldspar group 7, 34, 67-84 high albite 72-7, 78-81 leucite 84-5
reflected light 19, 209-11 alkali feldspars 72-7 hornblende series 11, 47-50 leucoxene 124, 162
transmitted light 5 celsian 84 edenite 47 light source 1
colour diagram (CIE 1931) 210-11 plagioclase feldspars 78-84 hastingsite 47 limonite 170, App. C
components (of light) 190 feldspathoid family 34, 84-7 pargasi te 4 7 linnaeite App. C
condenser 4 analcime 86 tschermakite 47 livingstonite App. C
convergent lens 3 cancrinite 84 hue (of colour) 210 lizardite 119
copper 177, App. C hauyne 84 huebnerite 175 loellingite App. C
cordierite 30, 61-2 kalsitite 84 humite 88-9 low albite 73-7, 78-81
corundum 160, Table 1.2 leucite 84 humite group 30, 88-9
covelline see covellite nepheline 85-6 hydrocarbon App. C mackinawite App. C
maghemite 157, App. C, Table 3.2
covellite 144-5, 210, App. C nosean 84 hydrogrossular 87
cristobalite 123 sodalite 86 hydromagnesite 169 magnetite 156, 163, App. C, Table 3.2
244 245