User:Atcovi/Science/Notes/Warmups: Earth Science Vocabulary: Minerals/Questions 2

For finding "Hardness".
 * 1) How is the way a mineral breaks used to identify minerals?

Moh's scale sorts [minerals by their] scratch resistance of various [other] minerals through the ability of harder material - softer material [seen here: https://en.wikipedia.org/wiki/Mohs_scale_of_mineral_hardness].
 * 1) What is Moh's hardness scale?

Ratio of density of substance/density of a standard (water for liquid)
 * 1) What is specific gravity?

Color, Streak, Hardness, Cleavage, Crystalline structure and Magnetism
 * 1) List and describe 6 special properties used to identify minerals

A natural material whose concentration of economically valuable minerals is high enough for the material to be mined profitably
 * 1) What is an ore?

Cultivation of waste land
 * 1) What does reclamation mean?