Science terms

Galena

• Metallic

• Hardness of 1-2.5

• High SG

• Cubic Cleavage

Fluorite

• Non-Metallic

• Hardness of 3.5-4.5

• Fluorescent

• Low SG

• Fracture

Feldspur

• Non-Metallic

• Hardness of 4.5-5.5

• Cleavage

• Low SG

Magnitite

• Metallic

• Hardness of 6.5-10

• Magnetic

• High SG

• Cleavage

• Sometimes can be rusty

Quartz

• Translucent

• Fracture

• Hexagonal/ Pointed

• Low SG

• Hardest

Pyrite

• Metallic

• Hardness of 6.5-10

• Fracture

• Bumpy

• Also known as ‘Fools Gold’

Calcite

• Non-Metallic

• Hardness of 2.5-3.5

• Cleavage

• Low SG

• Reacts to acid

• Rhombus shaped

Biotite

• Non-Metallic

• Hardness of 1-2.5

• Like Mica

• Perfect basal cleavage

• Flaky

Halite

• Cubic Cleavage

• Tastes like salt (Don’t eat it please)

Sulfur

• Typically pale-ish yellow

• Smells bad

Talc

• Non-Metallic

• Greasy feeling

• Hardness of 1-2.5

• Low SG

• Cleavage

• Softest mineral (Being one on Moh’s Scale)

O

Oxygen

Al

Aluminum

Fe

Iron

Si

Silicon

Mg

Magnesium

Na

Sodium

Ca

Calcium

K

Potassium

H

Hydrogen

S

Sulfur

Au

Gold

Cu

Copper

Pb

Lead

Bi

Bismuth

C

Carbon

Ag

Silver

Pyrite

FeS2

Calcite

CaCO2

Hematite

Fe2O3

Olivine

(Mg,Fe)2SiO4

Silica

SiO2

Liquid Volume Measurements

• Liter

• Pint

• Quart

• Cup

Solid volume measurements

• cm3

• m3

• ft3

• yd3

• mi3