Rock
collection of 1 or more minerals
Attributes of a mineral (5)
1. inorganic
2. naturally occurring
3. solid
4. crystalline
5. chemical formula
Element
material w/ characteristics of physical and chemical properties that cannot be broken down into simpler
substances by chemical reactions
Compounds
formed by sharing valence electrons between atoms
Ion
atom w/ more or less electrons than protons
anion
NEGATIVE charge
cation
POSITIVE charge
Hydrogen bonds
weak attractions between pos. & neg. zones of molecules
Mineral property: Optical
includes color, luster (metallic or nonmetallic), streak, & double refraction
Mineral property: Shape
includes crystal form and poly-morphs
Mineral property: Mechanical
includes hardness, tenacity, and cleavage vs. fracture
Mineral property: Mass-related