nesosilicates (1:4)

Question 1

nesosilicate groups

Answer 1

1. zircon group
2. aluminum silicate
3. humite
4. phenakite
5. garnet
6. olivine

Question 2

zircon group

Answer 2

1. zircon
2. thorite
3. hafnon

Question 3

zircon

Answer 3

tetragonal, ZrSiO4

Question 4

thorite

Answer 4

tetragonal, (Th,U)SiO4

Question 5

hafnon

Answer 5

tetragonal, (Hf,Zr)SiO4

Question 6

aluminum silicate group

Answer 6

1. andalusite
2. sillimanite
3. kyanite
4. topaz
5. staurolite

Question 7

andalusite

Answer 7

orthorhombic, Al2SiO5

Question 8

sillimanite

Answer 8

orthorhombic, Al2SiO5

Question 9

kyanite

Answer 9

triclinic, Al2SiO5

Question 10

topaz

Answer 10

orthorhombic, Al2SiO4(F,OH)2

Question 11

staurolite

Answer 11

monoclinic, Fe2Al9O6 (SiO4)4(O,OH)2

Question 12

humite group

Answer 12

1. humite
2. chondrodite
3. datolite
4. titanite
5. chloritoid

Question 13

humite

Answer 13

orthorhombic, Mg5(SiO4)2(F,OH)2

Question 14

chondrodite

Answer 14

monoclinic, Mg7(SiO4)3 (Fe,OH)2

Question 15

datolite

Answer 15

monoclinic,CaB(SiO4)(OH)

Question 16

titanite

Answer 16

monoclinic, CaTiO(SiO4)

Question 17

chloritoid

Answer 17

monoclinic, (Fe,Mg)2Al4O2(SiO4)2(OH)4

Question 18

garnet group

Answer 18

pyralspite
1. pyrope
2. almandine
3. spessartine
ugrandites
1. uvarovite
2. grossular
3. andradite

Question 19

pyrope

Answer 19

isometric, Mg3Al2(SiO4)3

Question 20

almandine

Answer 20

isometric, Fe3Al2(SiO4)3

Question 21

spessartine

Answer 21

isometric, MnAl2(SiO4)3

Question 22

Uvarovite

Answer 22

isometric, Ca3Cr2(SiO4)3

Question 23

grossular

Answer 23

isometric, Ca3Al2(SiO4)3

Question 24

andradite

Answer 24

isometric, Ca3Fe2(SiO4)3

Question 25

phenakite group

Answer 25

1. phenakite 2. willemite 3. troostite

Question 26

phenakite

Answer 26

hexagonal, Be2SiO4

Question 27

willemite

Answer 27

hexagonal, Zn2SiO4

Question 28

troostite

Answer 28

hexagonal, Mn2SiO4

Question 29

olivine group

Answer 29

1. forsterite 2. fayalite 3. tephroite 4. monticellite

Question 30

forsterite

Answer 30

orthorhombic, Mg2SiO4

Question 31

fayalite

Answer 31

orthorhombic, Fe2SiO4

Question 32

tephroite

Answer 32

orthorhombic, Mn2SiO4

Question 33

monticellite

Answer 33

orthorhombic, CaMgSiO4