Minerals And Rocks

Front 1

Mafic
Fine-grained

Pyroxene

Id: I1

Back 1

Basalt

Front 2

Felsic
Coarse-grained

Potassium, plagioclase feldspar, quartz, and biotite and/or amphibole
Id: I2

Back 2

Granite

Front 3

Felsic
Glassy
Quartz and feldspars
Id: I3

Back 3

Obsidian

Front 4

Mafic
Coarse-grained
Pyroxene and Plagioclase Feldspar
Id: I4

Back 4

Gabbro

Front 5

Felsic
Vesicular
Quartz and Plagioclase Feldspar (and the other feldspar)
Id: I5

Back 5

Pumice

Front 6

Intermediate
Porphyritic
Amphibole, plagioclase (feldspar)
Id: I6

Back 6

Andesite Porphy

Front 7

Intermediate
Coarse-Grained
Amphibole, plagioclase feldspar, biotite and hornblende
Id: I7

Back 7

Diorite

Front 8

Felsic
Fine-Grained
Potassium Feldspar
Id: I8

Back 8

Rhyolite

Front 9

Deritial
Quartz
Id: S1

Back 9

Quartz Sandstone

Front 10

Chemical
Calcite
Id: S2

Back 10

Coquina

Front 11

Chemical
Calcite
Id: S3

Back 11

Chalk

Front 12

Chemical (Plant Fragments)
Id: S4

Back 12

Bituminous Coal

Front 13

Deritial
Id: S5

Back 13

Breccia

Front 14

Chemical
Calcite
Id: S6

Back 14

Crystalline Limestone

Front 15

Chemical
Calcite
Id: S7

Back 15

Fossiliferous Limestone

Front 16

Detrital
Id: S8

Back 16

Arkose

Front 17

Chemical
Calcite
Id: S9

Back 17

Microcrystalline Limestone

Front 18

Detrital
Id: S10

Back 18

Conglomerate

Front 19

Calcite (smooth)
Chemical
Id: S11

Back 19

Travertine

Front 20

Halite
Chemical
Id: S12

Back 20

Rocksalt

Front 21

Quartz
Nonfoliated
Parent: Quartz sandstone
Id: M1

Back 21

Quartzite

Front 22

Foliated
Parent: Shale, Slate, Phyllite, or siltstone.
Id: M2

Back 22

Gneiss

Front 23

Foliated
Parent: Shale, Slate, or Siltstone.
Id: M3

Back 23

Phylite

Front 24

Foliated
Parent: Shale, or Siltstone
Id: M4

Back 24

Slate

Front 25

Nonfoliated
Calcite
Parent: Limestone, Dolostone
Id: M5

Back 25

Marble

Front 26

Foliated
Micas Dominate
Parent: Shale, slate, Phyllite, or Siltstone.
Id: M6

Back 26

Schist

Front 27

Id: Mineral 1
Metallic
Sometimes in crystal shapes (fools gold)

Back 27

Pyrite

Front 28

Id: Mineral 2
Nonmetallic
Breaks Rhombic, double Refraction, HCl reaction
Hardness: 3

Back 28

Calcite

Front 29

Id: Mineral 3
Nonmetallic
Water soluble, salty

Back 29

Halite

Front 30

Id: Mineral 4
Nonmetallic
Hexagonal Crystals
Hardness: 7

Back 30

Quartz

Front 31

Id: Mineral 5
Non-metallic
Splits into tiny sheets

Back 31

Muscovite Mica

Front 32

Id: Mineral 6
Non-Metallic
Thin flakes, tough, flexible

Back 32

Biotite Mica

Front 33

Id: Mineral 7
Metallic, dull
Sub-conchoidal fracture (major ore of lead)

Back 33

Galena

Front 34

Id: Mineral 8
Metallic to dull
marks paper, tough, flexible

Back 34

Graphite

Front 35

Id: Mineral 9
Non-metallic
Frequently as granular masses
(Olive color)

Back 35

Olivine

Front 36

Id: Mineral 10
Nonmetallic
Lacks striations
Hardness: 6

Back 36

Potassium Feldspar

Front 37

Id: Mineral 11
Nonmetallic
Striations present

Back 37

Plagioclase Feldspar

Front 38

Id: Mineral 12
Nonmetallic
Brittle

Back 38

Augite

Front 39

Id: Mineral 13
Nonmetallic
Appears fibrous or silky

Back 39

Hornblende

Front 40

Id: Mineral 14
Metallic
Sometimes oolitic or magnetic

Back 40

Hematite

Front 41

Id: Mineral 15
Nonmetallic
Sometimes as fibrous masses
Hardness: 2

Back 41

Gypsum

Front 42

Id: Mineral 16
Non-metallic
sometimes fluorescent
hardness: 4

Back 42

Fluorite

Front 43

Id: Mineral 17
Metallic
Strong Magnetic

Back 43

Magnetite

Front 44

Id: Mineral 18
Nonmetallic
Feels greasy, soapish.
Hardness: 1-2

Back 44

Talc