Nature Guide To Rock And Minerals Flashcards
1
Q
Grinding and polishing of flat faces on stones
A
Faceting
2
Q
3 basic types of face cut
A
Step(rectangular), brilliant(triangular) mixed
3
Q
Minerals Sensitive to light
A
Orpiment and realgar
4
Q
Crystal system of sulfur
A
Ortho
5
Q
Low nickel iron (7.5%ni)
A
Kamacite
6
Q
High iron nickel (~50% Ni)
A
Taenite
7
Q
Crystallizes in tetraginal system, 3rd form of Fe-ni found in meteorites
A
Tetrataenite
8
Q
Reddish tinge occurs in bismuth. T or f
A
T
9
Q
When combined with tin and lead, sb form antifriction alloys called?
A
Babbit metals
10
Q
Gold is inert, which resists tarnish. T of f
A
T
11
Q
Second most malleable metal and primary hydrothermal mineral
A
Silver
12
Q
9th most abundant element
A
Sulfur
13
Q
Microcrystalline masses of diamond
A
Carbonado
14
Q
Irregular diamond
A
Bort
15
Q
Granular black diamond
A
Boart
