問題一覧
1
Carbonate
Calcite, Dolomite, Malachite
2
Softest mineral
Talc
3
The ratio of the density of the mineral and the density of water
Density (specific gravity)
4
PROS / CONS The scale is qualitative, not quantitative
Cons
5
Scale number of diamond
10
6
Vitreous (glassy), adamantine (brilliant/diamond-like), resinous, silky, pearly, dull (earthy), greasy, among others.
Nonmetallic luster
7
Scale number of fluorite
4
8
% of magnesium
2.35%
9
Minerals containing sulfur and a metal (2 sulfur)
Sulfide
10
% of potassium
2.09%
11
Scale number of apatite
5
12
Silicate
Quartz, Olivine, Talc
13
It is the quality and intensity of reflected light exhibited by the mineral
Luster
14
Minerals containing halogen elements combined with one or more metals
Halide
15
Native
Gold, Bismuth, Diamond
16
7 properties of minerals
Luster, Hardness, Crystal form/habit, Color & streak, Cleavage, Density (specific gravity), Others
17
% of calcium
4.15%
18
Scale number topaz
8
19
It is made up of elements and is naturally occuring solid, inorganic substance whose internal arrangements of atoms is structured.
Minerals
20
7 mineral groups
Native, Silicate, Oxide, Sulfate, Sulfide, Carbonate, Halide
21
Scale number of corundum
9
22
The property of some minerals to break along specific planes of weakness to form smooth, flat surfaces
Cleavage
23
Materials used in mohs scale
Fingernail, Copper penny, Knife/glass plate, Steel nail, Masonry drill bit
24
Minerals containing sulfur and oxygen in the form of (SO4) - anion
Sulfate
25
Minerals that form as individual elements
Native elements
26
Minerals that are economically important metals such as copper, lead, and zinc
Sulfide
27
It is a measure of resistance fo a mineral (not specifically surface) to abrasion
Hardness
28
It is the natural shape of the mineral before the development of any cleavage or fracture
Crystal form/habit
29
% of oxygen
46.4%
30
Sulfide
Pyrite, Galena, Bornite
31
Oxide
Hematite, Magnetite, Chromite
32
% of Silicon
28.15%
33
% of iron
5.63%
34
The crystal's form also defines the relative growth of the crystal in ____________
Three dimensions
35
% of sodium
2.36%
36
Masonry drill bit
8.5
37
2 types of luster
Metallic luster, Nonmetallic luster
38
Scale number of calcite
3
39
The external shape of a crystal or group of crystals is displayed/observedas these crystals grow in open spaces
Crystal form/habit
40
Scale number of talc
1
41
Knife/glass plate
5.5
42
It is the mineral's color in powdered form
Streak
43
Minerals containing the two most abundant element in the earth's crust, namely, silicon and oxygen
Silicate
44
PROS / CONS The test cannot be used to accurately test the hardness of industrial materials
Cons
45
Copper penny
3.5
46
Who created the mohs scale
Friedrich mohs
47
Scale number of quartz
7
48
Generally opaque and exhibit a resplendent shine similar to a polished metal
Metallic luster
49
Other properties
Magnetism, Odor, Taste, Tenacity, Reaction to acid
50
Minerals containing the carbonate (CO3)2 - anion combined with other elements
Carbonate
51
Fingernail
2.5
52
Mohs hardness scale (start from diamond)
Diamond, Corundum, Topaz, Quartz, Orthoclase, Apatite, Fluorite, Calcite, Gypsum, Talc
53
Sulfate
Gypsum, Barite, Anhydrite
54
Halide
Chlorine, Fluorine, Halite
55
Hardest mineral
Diamond
56
PROS / CONS The test can be done anywhere, anytime, as long as there is sufficient light to see scratches
Pros
57
PROS / CONS The test is easy
Pros
58
This is used to identify the hardness of the mineral, where minerals are compared to other minerals
Mohs scale
59
Scale number of gypsum
2
60
% of aluminum
8.23%
61
Steel nail
6.5
62
The colors of the minerals itself
Color
63
PROS / CONS The test is convenient for field geologists with scratch kits who want to make a rough identification of minerals outside the lab
Pros
64
Minerals composed of oxygen anion (O2-) combined with one or more metal ions
Oxide
65
Scale number of orthoclase
6