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Materials: Pencil
Science Notebook Highlighter
*Complete Bellringer on a piece of paper.
*Please take out your homework and pass to the end of the table before class begins.
*When my timer sounds all voices must be off.
SEPTEMBER 8, 2015
WHAT IS A MINERAL?
A naturally
occurring solid,
made up of
elements
WHAT IS THE DIFFERENCE BETWEEN AN ELEMENT AND A
MINERAL?
WOULD THE PHYSICAL PROPERTIES OF MINERALS BE DIFFERENT THAN THE PHYSICAL PROPERTIES WE USED TO
STUDY THE ELEMENTS?
PHYS ICAL PROPERT IES OF MINERALS
Each person will be assigned a paragraph to
read in their group.
Read & Write Down the most important
information on the handout.
With your tablemates create a T-Chart to list all
important information for each topic.
Physical Property Important Detail
Color • Some minerals have one color (Gold)
• Other’s have many colors (Calcite)
MINERALSPhysical Properties
TALC
TALCColor – white, sea green, or gray
Luster – pearly
Hardness – 1
Streak – white to pale gray
Cleavage – yes
Fracture – uneven
Uses – paint, baby powder, paper, rubber, cosmetics
GYPSUM
GYPSUM• Color – white, gray,
clear, yellow, red, brown
• Luster – glassy, pearly
• Hardness – 2
• Streak – white
• Cleavage – yes
• Fracture – fibrous or thin
• Uses – wallboard, plaster, cement, plaster of Paris
CALCITE
CALCITEColor – white, gray, clear, yellow, red, brown, green, blue, or orange
Luster – glassy
Hardness – 3
Streak – white
Cleavage – yes
Fracture – conchoidal (rounded)
Uses – cement, medication, paint, soil treatment, concrete
FLUORITE
FLUORITEColor – purple, clear, yellow, green, red, blue, pink, black
Luster – glassy
Hardness – 4
Streak – white
Cleavage – yes
Fracture – rounded to uneven
Uses – in drinking water, ornamental, stone
APATITE
APATITEColor – green, brown, blue, yellow, violet, clear
Luster – glassy
Hardness – 5
Streak – white
Cleavage – no
Fracture – rounded
Uses – fertilizer, gemstone, part of teeth and bones
ORTHOCLASE (FELDSPAR)
ORTHOCLASE (FELDSPAR)
Color – white, reddish, pink, yellow
Luster – glassy
Hardness – 6
Streak – white
Cleavage – yes
Fracture – uneven
Uses – glass, ceramics, gemstone
QUARTZ (POINTS ON ROCK BASE)
QUARTZ (POINTS ON ROCK BASE)
Color – clear, white, green, brown, black, yellow, purple, gray, red, pink
Luster – glassy
Hardness – 7
Streak – white
Cleavage – no
Fracture – conchoidal (rounded)
Uses – glass making, optical, electronics
TOPAZ
TOPAZ
Color – green, yellow, amber, clear, white, blue, pink
Luster – glassy
Hardness – 8
Streak – colorless, harder than streak plate
Cleavage – yes
Fracture – uneven
Uses – gemstone
CORUNDUM(UNCUT SAPPHIRES)
Color – gray, white, brown, red,
green, yellow, blue
Luster – glassy
Hardness – 9
Streak – colorless, harder than streak plate
Cleavage – no
Fracture – conchoidal to uneven
Uses – abrasive, polishing, gemstone, sandpaper
DIAMOND
DIAMOND (CUT)
Color – clear, green, yellow, red, blue, brown, orange, black
Luster – brilliant
Hardness – 10
Streak – colorless, harder than streak plate
Cleavage – yes
Fracture – conchoidal
Uses – gemstone, abrasive
Answer the following questions on pg. 11 in
Science Notebook? Write the questions.
1. What are the properties that were listed on
the PowerPoint?
2. What properties were listed in the handout
and your graphic organizer?
3. Are these properties enough to identify a
mineral?
INDEPENDENT PRACTICE
Please complete assignment quietly.(NO TALKING)
If you do not complete it in class take it home tonight for homework.