Taylor Trottier
Mica sheet Mica sheet peeling off
Chemical formula- K(Mg,Fe2+3)(Al,Fe3+)Si3O10(OH,F)2 Luster- pearly Cleavage- 1 Color-Black, dark brown, dark green, reddish black. Streak color- white Hardness- 2.5 on moh’s scale Special properties- very poor conductor of heat and electricity Uses- windows in old ovens, and modern electronics
Biotite is dark and streak I colorless
Muscovite is white and has white streak colour
White feldspar
Green feldspar
Pink feldspar Chemical formula- x Al(Al,Si)3O8 Luster- glossy Cleavage- 1 Color- red, white, blue, green, brown, pink. Streak color- white Hardness- 6 on moh’s scale Special properties- low melting point Uses- kitchen/bathroom tiles and flux
Rose quarts
Quarts can be sculpted Milky quartz Chemical formula- SiO2 Luster- waxy Cleavage- 0 Color- white, clear, black, purple Streak color- white Hardness- 7 Special properties- can be sculpted Uses- window making, watch timing
Purple quartz due to impurities
Pencils use graphite to wright Metallic
Chemical formula- carbon Luster- metallic Cleavage- 1 Color- black, grey Streak color- grey Hardness- 1-2 on moh’s scale Special properties- made after coal and before diamond Uses- pencil righting material
Chemical formula- CaF2 Luster- Vitreous Cleavage- 1 Color- all colors Streak color- white Hardness- 4 on moh’s scale Special properties- comes in all colors Uses- toothpaste
Sample of pyrite
Chemical formula- FeS2 Luster- metallic Cleavage- 0 Color- gold/silver Streak color- dark green Hardness- 6.5 on moh’s scale Special properties- aka fools gold Uses- cheep display item
Chemical formula- (CaSO4.2H2O) Luster- pearly Cleavage- 1 Color- clear, colorless, white, gray, yellow, red, brown Streak color- white Hardness- 2 on moh’s scale Special properties- usually found by salt water and limestone Uses- cement, plaster
Close up view of hematite
Chemical formula- Fe2O3, ι-Fe2O3 Luster- metallic Cleavage- none Color- Metallic gray, dull to bright red Streak color- red Hardness- 6 on moh’s scale Special properties- grows other minerals Uses- making iron, pigment
Chemical formula- Mg3Si4O10(OH)2 Luster- waxy or pearly Cleavage- 0 Color- Light to dark green, brown, white,grey Streak color- white/green Hardness- 1 on moh’s scale Special properties- dusty
Fibers
Chemical formulaLuster- silky Cleavage- 1 Color- Green, Red, Yellow, White, Blue Streak color- white Hardness- 2.5 – 3 on moh’s scale Special properties- fire retardant fibers Uses- fire retardant materials and car breaks
Fibers under microscope
Chemical formula- s8 Luster- resionous Cleavage- 0 Color- yellow Streak color- white Hardness- 2 Special properties- smelly Uses- smells
Will probably be a picture on test because the rest have been stolen
Chemical formula- Fe2+Fe3+2O4 Luster- metalic Cleavage- 0 Color-black Streak color- black Hardness- 7+ on moh’s scale Special properties- magnetic Uses- magnet
Chemical formula- NaCl Luster- Vitreous Cleavage- 3 Color- Colorless or white; also blue, purple, red, pink, yellow, orange, or Streak colorgray white Hardness- 2 on moh’s scale Special properties- salt like Uses- managing ice
Chemical formula- CaCO Luster- pearly to vitrious Cleavage- 3 Color- white / transparent Streak color- white Hardness- 2-7 on moh’s scale Special properties- found by sulpher Uses- construction and whitening 3
Chemical formula- PbS Luster- metalic Cleavage- 1 Color- Lead gray and silvery Streak color- lead grey Hardness- 2.5 on moh’s scale Special properties- silver like Uses- christal radio and eye chalk