26 lines
423 B
Plaintext
26 lines
423 B
Plaintext
= Minerals =
|
|
|
|
A mineral is a solid, inorganic substance of natural occurrence.
|
|
|
|
== Identification ==
|
|
|
|
Properties of a mineral can be used to determine what it is, including
|
|
|
|
* color
|
|
* hardness
|
|
* density
|
|
* luster
|
|
* fractures/cleavage
|
|
* magnetic
|
|
|
|
=== Hardness ===
|
|
|
|
Moh's hardness scale is a relative scale to measure how hard a mineral is
|
|
|
|
* 1 - talc
|
|
* 2 - gypsum
|
|
* 2.5 - fingernail
|
|
* 3 - calcite
|
|
* 7 - quartz
|
|
* 10 - diamond
|