Mineral Traits
What state of matter are all minerals?
solid
How it looks to the naked eye; not a super useful ID trait
color
There are over 3000 minerals, but only 8-10 are the common __________-_____________ minerals
rock forming
Luster can be described as _________ or __________
metallic, nonmetallic
what word is used (in and outside science) to describe things that are NOT based on opinion, but are clear and everyone would agree on
objective
What must be the origin of all minerals?
nature
If it breaks along flat planes, we say it has...
cleavage
The 2 most common elements in rock-forming minerals are...
silicon and oxygen
The mineral with a 10 on the Mohs scale of hardness is..
diamond
melted rock below ground is called...
magma
What must the internal structure of all minerals be?
crystalline
If a mineral breaks with jagged edges, we say it has...
fracture
Small crystals form when the magma or lava cools...
quickly
Density is calculated as...
mass/volume
How a mineral feels to the touch is called ...
texture
Can a mineral be made from living things? What term describes the answer to this question?
No, inorganic
Color of the ____________ when a mineral is dragged along a plate is called ____________.
powder, streak
Evaporites are minerals that form when water ________________, leaving the mineral behind.
evaporates
Specific gravity is the density of someting compared to what other substance?w
water
magma is generally ________ dense than solid rock, so it tries to rise through rock.
less
Minerals cannot be mixtures; what does this mean about them?
fixed composition AKA a formula
Scratch tests measure _______________, which is measured on the ___________ scale of hardness.
hardness, Mohs
A solution is ______________ when no more of a mineral can dissolve.
saturated
Some minerals seem to change color when you look at them from another angle, this property is called...
iridescence
Some minerals glow under a black-light; this property is called
fluorescence