Intro Objective 11/16/11 Identify minerals. What do you think are some ways to identify a mineral...
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Transcript of Intro Objective 11/16/11 Identify minerals. What do you think are some ways to identify a mineral...
Intro
Objective 11/16/11Identify minerals.
What do you think are some ways to identify a mineral by?
Identifying Minerals
MINERALS 7 Ways to
Identify Minerals Color Luster Streak Fracture Texture Density Hardness
MINERALS Color Describes the color
that a mineral appears to be in regular light
MINERALS Luster How shiny a
mineral isHighMediumDull
MINERALS Streak The color that a
mineral leaves on a streak-plate
MINERALS Fracture How easily a
mineral breaks cleanly
MINERALS Texture How rough or
smooth the mineral isRoughMediumSmooth
MINERALS Density How much material
makes up a mineralMass ÷ Volume =
Density
MINERALS Hardness Tested by scratching
the mineral with a fingernail, penny, or steel nail.
Moh’s Hardness ScaleRanked 1 to 1010 is the hardest
MINERALS Moh’s Hardness
Scale identifies a minerals hardness by comparing it another object or mineral
Objective 11/16/11
Outro
Identify minerals.
Why is color not very helpful in identifying minerals?