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Mineralogy332PS7
MSU Mineralogy Problem Set 7 - Silicates
| Question | Answer |
|---|---|
| CaSiO3 (Wollastonite) | Inosilicate (single chain) |
| KMg3AlSio10(OH)2 (Biotite) | Phyllosilicate |
| (Mg, Fe)3(Al,Si)4O10(OH)2 (Mg3Al4O10(OH)2 - Talc) | Phyllosilicate |
| Zn4Si2O7(OH)2*H20 (Hemimorphite) | Sorosilicate |
| CaAl2Si7O18*6H20 (zeolite grp - Heulandite) | Tectosilicates |
| (Mg,Fe)7Si8O22(OH)2 (solid solution series grunerite-cummintonite) | Inosilicate (double chain) |
| Mg3Al2Si3O12 (garnet grp - Pyrope) | Nesosilicate |
| LiAlSi2O6 (Spodumene) | Inosilicate (single chain) |
| K-feldspar group (Microcline, Sanidine, Orthoclase) | Tectosilicates |
| Mica group (Biotite, Muscovite, Lepidolite) | Phyllosilicates |
| Amphibole group (Tremolite, Actinolite, Hornblende, Glaucophane) | Inosilicate (double chain) |
| Pyroxene group (Enstatite, Augite, Jadeite, Spodumene) | Inosilicate (single chain) |
| Garnet group (Almandine, Pyrope, Spessartine, Andradite) | Nesosilicate |
| Plagioclase felspar (solid solution series [from Na rich to Na poor / Ca poor to Ca rich] - Albite, Oligoclaise, Andesine, Labradorite, Bytownite, Anorthite) | Tectosilicates |
| K-feldspar group | Polymorphic group |
| enstatite-ferrosilite | Solid solution series |
| Pyroxene group & Amphibole group | Other or chemical group (based on 4 choices given) |
| The group of tectosilicate subclass displaying a water softening property. | Zeolites |
| The mineral group whose minerals often display a dodecahedron form of crystal. | Garnets |
| The plagioclase mineral often displaying iridescence. | Labradorite |
| The silicate subclass with mineral formulas displaying a p:q of 2:7. | Sorosilicates |
| The inosilicate group of minerals displaying a lack of (OH)x in the formula. | Pyroxenes |
| The name of the deep green gemstone variety of beryl. | Emerald |
| The name of the most common amphibole mineral. | Hornblende |
| The red-pink variety of tourmaline. | Rubellite |