Minerals Part 1 Flashcards
SULFUR
Smells like rotten eggs
Bright yellow
Graphite
Very soft
Writes
Galena (PbS)
Shiny
Heavy
Matrix
Sphalerite
Yellowish brown
Like dark glass countertop
Chalcopyrite
Brass yellow
Rusty
Pyrite
Granular
Fools gold
Corundum
Hexagonal
Scratches glass
No streak
Hematite
Non metallic
Earthy appearance
Does not affect glass
Hematite
Metallic
Metallic
Steel to grey
Very sparkly
Magnetite
Magnetic
Non metallic
Heavy
Limonite
Craters
Mars looking
Rusty
Halite (NaCl)
Dissolves
Salt
Fluorite
Colorless with purple
Waxy looking
Triangular cleavage
Calcite (CaC0 2)
Reacts to acid
Light colored
White, yellow
Full illusion
Dolomite
Rhombohedral
Dark
El jorobado de notredam
Reacts to acid when powder
Gypsum
Colorless to white
Looks like ice
Thin sheets
Apatite 18
Does not scratch glass
Grey streak
No cleavage
Green with maroon (messy)
Apatite (19)
Colorful
Green
Hexagonal crystals
Olivine
Yellow
Dessert looking
Sandy
Garnet
Red and black granular mix
No shape
Dark
Scratches glass
Augite
Blocky
Rusty appearance
Non metallic
Scratches glass
Hornblende
More reflective
Non metallic
Grey streak
Scratches glass
Kaolinite (24)
Chalky
White
Talc (25)
Pearl looking No cleavage Coral Not see through Beige Soft
Muscovite (26)
One layer
Colorless to transparent
Biotite
Dark color
One thin layer
Quartz (28)
Colorless
Crystal
Hardness of 7
Milky Quartz
White and colorless
Conchoidal fracture
Hardness of 7
Rose quarts
Pink and see through
Orthoclase (32)
Pink countertops
Mexican pink
Plagioclase (33)
Marble
Slightly layered
