Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Mineralogy > Mineral Properties > Flashcards

Mineral Properties Flashcards

(101 cards)

Start Studying
1
Q

Minerals have a definite?

A

Chemical Composition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A group of crystal structures that are categorized according to the axial system used to describe their “lattice”

A

Crystal System

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The 6 different types of crystal systems

A

Isometric
Monoclinic
Hexagonal
Triclinic
Tetragonal
Orthorhombic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A set of minerals grouped according to their chemical composition

A

Mineral Groups

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A set of minerals grouped by the anion (SiO4)^-4

A

Silicates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Island Silicates - give formula and example

A

Nesosilicates; 1:4 (SiO4)^-4; Olivine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Double Island Silicates - give formula and example

A

Sorosilicates; 2:7 (Si2O7)^-6; Lawsonite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Ring Silicates - give formula and example

A

Cyclosilicates; 1:3 (Si6O18)^-12; Beryl

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Single Chain Silicates - give formula and example

A

Inosilicates; 1:3 (Si2O6)^-4; Aegerine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Double Chain Silicates - give formula and example

A

Inosilicates; 4:11 (Si4O11)^-6; Actinolite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Sheet Silicates - give formula and example

A

Phyllosilicates; 2:5 (Si2O5)^-2; Talc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Framework Silicates - give formula and example

A

Tectosilicates; 1:2 (SiO2); Quartz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The color of a mineral in powdered form

A

Streak

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The resistance of a mineral to be scratched

A

Hardness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A relative hardness scale developed in 1824 that uses set of indenting tools or points composed of minerals and common objects.

A

Mohs Scale of Hardness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Who made the Mohs Scale of Hardness

A

Frederic Mohs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

An absolute hardness scale of indentation hardness related to the ratio between the force and time to the size of the indentation to the mineral

A

Knoop Scale of Hardness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

A diamond-tipped instrument used for testing the hardness of a material.

A

Indenter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Recite the Mohs Scale of Hardness

A

Talc
Gypsum
Calcite
Fluorite
Apatite
Orthoclase
Quartz
Topaz
Corundum
Diamond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Refers to the common or characteristic shape of a crystal or aggregate of crystals

A

Habit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Fine, slender, needle like crystals

A

Acicular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Exhibiting narrow bands of different colors as textures

A

Banded

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Forming very thin threads which resemble hair

A

Capillary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Stout-column like individuals

A

Columnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Forming long and thin little columns which resemble wire
Filiform
26
Cavity line with small crystals
Geode
27
Radiating individuals forming small, spherical or hemispherical
Globular
28
Aggregates of large or small grains
Granular
29
Compact crystalline aggregates with no regular forms
Massive
30
Somewhat elongated crystals with well-developed prism faces
Prismatic
31
Crystals somewhat flattened in one direction
Tabular
32
Rounded masses somewhat resembling bunches of grapes
Botryoidal
33
Plates approximately parallel about a common center
Concentric
34
Separate from a thicker stem into several slender ones, similar to branches which divides into smaller sheets.
Dendritic
35
Crystals groups radiating from a center
Divergent or Radiated
36
Surface covered with a layer of small crystals
Drusy
37
Groups of parallel slender thread-like strands; need not be easily separable
Fibrous
38
Splitting readily into exceedingly thin plates or sheets
Micaceous
39
Aggregate of small sphere the size of fish roe.
Oolitic
40
Small globular aggregates about the size of peas or in round concretionary grains
Pisolitic
41
Rounded grape-like or kidney-shaped masses.
Reniform
42
Lattice-like or network arrangement of slender columnar or threads.
Reticulated
43
Grains having the size of granulated sugar grains
Saccharoidal
44
Resembling pendant cylinders or cones
Stalacticic
45
Radiating individuals forming star-like or circular groups.
Stellated
46
The appearance of a mineral surface in reflected light according to the intensity of reflected light, or in comparison or likeness to objects.
Luster
47
Dazzling luster
Splendent
48
Distinct observed only on closer observation and is generally related to an uneven sample
Shining
49
Feebly appearing luster
Weakly Shining
50
Only a feeble light is reflected by some of the minute aggregated parts
Glimmering
51
Surface does not reflect any light
Dull or Earthy
52
Bright reflectance of a metallic surface
Metallic
53
Piece of broken glass
Vitreous
54
Brilliant, almost oily
AdamantineL
55
Luster of a piece of resin, greasy luster
Resinous or Waxy
56
Common when a mineral has a very perfect cleavage and hence partially separated into thin plates
Pearly
57
Characteristics of some minerals in fibrous aggregates
Silky
58
The appearance produced through the light spectrum as the light bounces or from the mineral
Color
59
Minerals whose color are not influenced by certain impurities.
Idiochromatic
60
Minerals whose colors are influenced by impurities
Allochromatic
61
Atoms of elements trapped or has been included within the crystal lattices
Chromophores
62
A six-pointed star formed by a beam of light at right angles to each set of inclusions
Asterism
63
Band of light moves from side to side as in a cat's eye
Chatoyancy
64
Two directions have different colors
Dichroism
65
On exposure to uv light, a mineral emits visible light
Fluorescence
66
Shows a series of colors due to light undergoing reflective interferences with itself either on the surface in the interior.
Iridescence
67
Play of colors or colored reflections exhibited especially by labradorite
Labradoresence
68
Pearly reflection from the interior of a mineral
Opalesence
69
Some fluorescent minerals will continue to glow after the ultraviolet light has been turned off
Phosphorescence
70
Exhibits internally the various prismatic colors when the mineral is turned
Play of Colors
71
Appearance of different colors when a crystal is viewed in transmitted light in different directions
Pleochroism
72
Some minerals will emit visible light when heated below red heat
Thermoluminescence
73
Some minerals when rubbed or struck with a hammer will emit light
Triboluminescence
74
The ability of minerals to have light pass through them
Diaphaneity
75
The ratio of velocity of light in air and the velocity of light in a medium
Refractive Index
76
Minerals with an isometric crystal system that have light pass through them
Isotropic Minerals
77
Minerals that do not have an isometric crystal system with light passing through them
Anisotropic Minerals
78
A property of a mineral that can produce "a doubled image"
Double Refraction
79
Planes of weak bonds within minerals' crystal lattices
Cleavage
80
The appearance of the surface of a mineral when it does not break along cleavage planes
Fracture
81
The intergrowth of two or more crystals from the same point
Twinning
82
The ability of minerals without any cleaves to split or separate into smooth planes
Parting
83
The degree of a mineral's toughness or resistance to breaking or deforming
Tenacity
84
Minerals that can be deformed through compressive stress
Malleable
85
Minerals that can be deformed through tensile stress
Ductile
86
Minerals that can be smoothly cut with a knife
Sectile
87
Minerals that break into uneven fragments upon applying stress
Brittle
88
Minerals that can be bent out of shape in any direction
Elastic
89
Minerals that can be bent out of shape in any direction
Flexible
90
The ability of a mineral to be attracted to a magnetic mineral
Magnetism
91
Minerals that are strongly attracted to magnets
Ferromagnetic
92
Minerals that tend to create it's own magnetic field
Ferrimagnetic
93
Minerals that are only slightly attracted to magnets
Paramagnetic
94
Minerals that are non-magnetic
Diamagnetic
95
Minerals that are similar to ferromagnetic minerals but have a net magnetic moment equal to zero.
Antiferromagnetism
96
The proportion of the mass of the mineral to its volume
Density
97
The ability of carbonate minerals to fizz
Effervescence
98
The ability of a mineral to produce an electric charge when pressure is applied to it
Piezoelectricity
99
The ability of a mineral to produce an electric charge when heat is induced on it
Pyroelectricity
100
Certain minerals produce a specific and distinct smell
Odor
101
Certain minerals produce and distinct taste
Halite

Mineralogy (19 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions