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All about Silicates! Flashcards

1
Q

Nesosilicates: The Mg component of Olivine Series

A

Fosterite

Mg2SiO4

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2
Q

Nesosilicates:Both Mg-Fe component of olivine series.

A

Chrysolite

(Mg,Fe)2SiO4

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3
Q

Nesosilicates: The Garnet group is divided into two. The Al2 and the Ca3. What are those?

A

Al2 - Pyralspites

Ca3- Ugrandites

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4
Q

Nesosilicates: The oldest mineral (4.4 Ga)

A

Zircon

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5
Q

Nesosilicates: The Fe component of Olivine series

A

Fayalite

Fe2SiO4

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6
Q

Nesosilicates: A mineral in a Zircon group that contains traces amount of radioactive element

A

Cyrtolite

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7
Q

Nesosilicates: A variety of colorless, pale grey, pale yellow Zircon

A

Jargon

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8
Q

Nesosilicates: Extraterrestrial form of Olivine

A

Olivnoid

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9
Q

Nesosilicates: Transparent green variety of Olivine

A

Peridot

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10
Q

Nesolicates: The Garnet Group

Pyralspites’ Mg component with color of red to deep red

A

Pyrope

Mg3Al2(SiO4)3

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11
Q

Nesosilicates: The Garnet group

Pyralspites’ Fe component with color of brown to red

A

Almandine

Fe3Al2(SiO4)3

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12
Q

Nesosilicates: The Garnet Group

Pyralspites’ Mn component with color of orange and brown - red.

A

Sppesartine

Mn3Al2(SiO4)3

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13
Q

Nesosilicates: The Garnet Group

Ugrandites’s Cr specimen that exhibits green color

A 
Uvarovite
Ca3Cr2(SiO4)3
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14
Q

Nesosilicates: The Garnet Group

Ugrandites’ Al species that exhibits brown and orange color

A

Grossular

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15
Q

Nesosilicates: The Garnet Group

Ugrandites’ Fe species that exhibits Brown and brown red color

A

Andradite

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16
Q

Sorosilicates: The Epidote Group
Epidote group includes all monoclinic species like Epidote, Clinozoisite, Allanite, Piemontite and Zoisite. Which among these minerals is the only orthorhombic?

A

Zoisite

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17
Q

Sorosilicates: Zoisite’s pink variety

A

Thulite

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18
Q

Sorosilicates: The Epidote Group

Zoisite’s purple-gem variety

A

Tanzanite

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19
Q

Sorosilicates: The Epidote Group

Epidote’s specie that is the source of REE particularly, Ce.

A

Allanite

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20
Q

Sorosilicates: The Mellilite Group

Mellilite group has two chemical species that has a chemical formula of Ca2MgSi2O7. What are these minerals?

A

Gehlenite & Akermite

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21
Q

Cyclosilicates: One common example of ring silicates is the mineral Beryl (Be3Al2(SiO3)6 ). What is the blue variety of Beryl?

A

Aquamarine

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22
Q

Cyclosilicates: Beryl’s yellow varieties

A

Heliodor and Golden Beryl

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23
Q

Cyclosilcates: Beryl’s colorless variety

A

Goeshenite

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24
Q

Cyclosilicates: Beryl’s red varieties

A

Red beryl and Bixbite

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25
Q

Cyclosilicates: Beryl’s green variety

A

Emerald

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26
Q

Cyclosilicates: A mineral discovered by Cordier with a chemical formula of (Mg,Fe)2Al4Si5018.

A

Cordierite

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27
Q

Cyclosilicates: Tourmaline’s varieties are differentiated through colors. Indigulite (blue) is one among the other multicolor variety, purple, green and pink. What is the specific grouping of these colors?

28
Q

Cyclosilicates: A copper sulfide mineral deposit, usually forming in desert regions.

A

Dioptase

CuSiO2(OH2)

29
Q

Cyclosilicates: A mineral that is also known as Lavulite, purple in color causes by Mn.

30
Q

Cyclosilicates: Minor ore for Ba and Ti.

A

Benitoite

BaTiSi309

31
Q

Inosilicates: Basis of division of pyroxenes.

A

This group is the basis for the pyroxene group of minerals, like the orthopyroxenes (Mg,Fe) SiO3 or the clinopyroxenes Ca(Mg,Fe)Si2O6.

32
Q

Inosilicates (single chain): The Mg species of orthopyroxene series.

A

Enstatite

Mg2Si2O6

33
Q

Inosilicates (single chain): The Fe species of orthopyroxene series.

A

Enstatite

Fe2Si2O6

34
Q

Inosilicates (inosilicates): on the series of clinopyroxenes Ca component, particularly, Diopside, Hedenbergite and Essenite which among these is a Mg species?

A

Diopside

CaMgSi2O6

35
Q

Inosilicates (inosilicates): on the series of clinopyroxenes Ca component, particularly, Diopside, Hedenbergite and Essenite which among these is a Fe species?

A

Hedenbergite

CaFe2+Si2O6

36
Q

Inosilicates (inosilicates): on the series of clinopyroxenes Ca component, particularly, Diopside, Hedenbergite and Essenite which among these is a Fe 3+species?

A

Essenite

CaFe3+[AlSiO6]

37
Q

Inosilicates (single chain): Clinopyroxenes’ important ore of Li

A

Spodumene

LiAl(SiO3)2

38
Q

Inosilicates(single chain): Clinopyroxenes major mineral of eclogite

A

Omphacite

Ca,Na)(Mg,Fe2+,Al)Si2O6

39
Q

Inosilicates (single-chain): Pyroxenoids all mineral species are triclinic. Which among these minerals are used in primarily ceramics products, metalmaking and filter and plastics and has solely the Ca component.

A

Wollastonite

CaSiO3

40
Q

Inosilicates(single-chain): Pyroxenoids’ ore of Mn.

41
Q

Inosilicates(double-chain): Among the Tremolite - ferroactinolite series, which among these is used for industrial asbestos?

A

Tremolite and Actinolite

42
Q

Phyllosilicates: TO serpentine group member tha has 95 % of asbestos resource also known as white asbestos

A

Chrysotile

43
Q

Phyllosilicates: TO structure - also known as kaolin or China clay

44
Q

Phyllosilicates: TOT structure- The softest mineral, greasy feel

A

Talc

Mg3Si4O10(OH)2

45
Q

Phyllosilicates: TOT structure - use in the production of rubber.

A

Pyrophyllite

Al2(Si4O10)(OH)2

46
Q

Phyllosicates: The Mica group

TOT+c structure - used as an insulator and semiconductors.

47
Q

Phyllosilicates: The Mica Group

TOT+c structure - Biotites’ Mg rich

A

Phlogopite

48
Q

Phyllosicates: The Mica group

TOT+c structure: used an insulator and semi conductor and automotive tires and cosmetic.

49
Q

Phyllosicates: The Mica Group

TOT+c structure — exhibits triboluminescence and source of Li

A

Lepidolite

50
Q

Phyllosilicates: The Clay Minerals

Clay mineral’s ore of Cu

A

Chrysocolla

Cu,Al)2H2Si2O5.nH2O

51
Q

Phyllosilicates: The Clay Minerals

Non expanding clay

52
Q

Phyllosilicates: The Clay Minerals

expanding clay

A

Montmorillionite

53
Q

A rock that is composed mainly of the clay minerals montmorillionite, forms from the weathering volcanic ash

54
Q

Tectosilicates: Silica group phase diagram includes an array of all specific P&T occurences of particular polymorphs of quartz. At High P and Low T what does formed?

A

Stishovite

55
Q

Tectosilicates: The Silica Group

at Low P and Low T?

A

alpha quartz

56
Q

Tectosilicates: The Silica Group

at Low P and at High T?

A

Cristobalite

57
Q

Tectosilicates: Quartz variety is due to the impurities that exhibit different colors for each quartz specimen. What gives violet to purple color to amethyst?

58
Q

Tectosilicates: (color) yellow to citrine?

59
Q

Tectosilicates: (color) smokey color to smokey quartz?

60
Q

Tectosilicates: (color) rose red to rose quartz?

A

Dumorterite

61
Q

Tectosilicates: (color) color to milky quartz?

A

Fluid inclusion

62
Q

Tectosilicates: A variety of quartz that is commonly mistaken for diamond.

A

Herkimer diamond - double terminated quartz

63
Q

Tectosilicates: How will you distinguish Plagioclase feldspar from K Felds?

A

Striations!

64
Q

Tectosilicates: The Feldspathoid group

framework silicate that reacts with warm HCl.

A

Cancrinite

65
Q

are those that contain magnesium and/or iron as major constituent. The term was derived by these minerals – ma from magnesian and f from the latin word for iron, ferrum

A

Mafic minerals

66
Q

minerals that lacks Mg and Fe as major constituent.

A

Felsic minerals

Mineralogy (9 decks)

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