rocks & minerals extra credit. garnet mineral color: all colors except for blue luster: dull...
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Rocks & Minerals Extra Credit
GarnetMineralColor: All colors except for BlueLuster: Dull VitreousGroup: SilicatesUses: Jewelry, Gemstone, January Birthstone
AmphiboliteRock (Metamorphic)Type: Non-FoliatedUses: Construction, Paving, Facing of Buildings
BerylMineralColor: Aqua Blue, Emerald Green, SilverLuster: Vitreous, WaxyGroup: SilicatesUses: Gemstone, Harden other minerals,
Mining Beryllium
RhyoliteRock (Igneous)Type: ExtrusiveTexture: PorphyriticUses: Aggregate, Cutting Tool (Prehistoric),
Jewelry
GabbroRock (Igneous)Type: IntrusiveTexture: Coarse-GrainedUses: Floor Tiles, Countertops, Facing Stone
MicaMineralColor: Brown, Silver, Green, WhiteLuster: TranslucentGroup: SilicatesUses: Electronic Insulators, Paint, Roofing
ScoriaRock (Igneous)Type: ExtrusiveTexture: VesicularUses: Landscaping, Drainage, Gas Grills
GypsumMineralColor: Colorless or WhiteLuster: WaxyGroup: SulfateUses: Fertilizer, Plaster, Finish for Walls and
Ceilings
GalenaMineralColor: Lead GrayLuster: MetallicGroup: SulfideUses: Bullets, Gasoline and Batteries
TopazMineralColor: Colorless unless the presence of
impuritiesLuster: TransparentGroup: SilicateUses: Jewelry, Scouring Pads, Knife Sharpening
PyroxeneMineralColor: BlackLuster: ShinyGroup: SilicateUses: Ornamental Uses, Fuel, Art
DioriteRock (Igneous)Type: IntrusiveTexture: Coarse-GrainedUses: Countertops, Pavement, Sculptures
GraniteRock (Igneous)Type: IntrusiveTexture: Coarse-GrainedUses: Countertops, Monuments, Landscaping
ShaleRock (Sedimentary)Type: ClasticTexture: Fine-GrainedUses: Produces Natural Gas & Oil, Clay, Cement
ConglomerateRock (Sedimentary)Type: ClasticTexture: Fine-GrainedUses: Construction, Landscaping, Tile
PeridotiteRock (Igneous)Type: IntrusiveTexture: Coarse-GrainedUses: Filters
QuartzMineralColor: ColorlessLuster: TransparentGroup: SilicateUses: Glassmaking, Optical Instruments,
Concrete
GneissRock (Metamorphic)Type: FoliatedUses: Flooring, Landscaping, Gravestones
AndesiteRock (Igneous)Type: ExtrusiveTexture: Fine-GrainedUses: Flooring, Bricks, Landscaping
DolomiteMineralColor: WhiteLuster: VitreousGroup: CarbonateUses: Building and Ornamental Stones, Furnace
Linings
TuffRock (Igneous)Type: ExtrusiveTexture: Fine-GrainedUses: Sculpture & Construction
SerpentiniteRock (Metamorphic)Type: Non-FoliatedUses: Sculpture, Jewelry, Chimney Pipes
LimestoneRock (Sedimentary)Type: ClasticTexture: Fine-GrainedUses: Road Base, Landscaping, Toothpaste Filler
GranuliteRock (Metamorphic)Type: Non-FoliatedUses: Blending Fertilizers, Landscaping
ObsidianRock (Igneous)Type: ExtrusiveTexture: No Crystals (Glassy)Uses: Cutting Tools, Jewelry, Scalpels
BasaltRock (Igneous)Type: ExtrusiveTexture: Coarse-GrainedUses: Thermal Insulator, Sculpture, Making
Cobblestones
BiotiteMineralColor: Black, Dark Brown, Gray, Yellow & WhiteLuster: Vitreous to PearlyGroup: SilicateUses: Electrical Devices, Aging of Other Rocks,
Surface Treatment in Decorative Concrete
PumiceRock (Igneous)Type: ExtrusiveTexture: VesicularUses: Light-Weight Concrete, Abrasive, Pencil
Erasers
PegmatiteRock (Igneous)Type: ExtrusiveTexture: Coarse-GrainedUses: Mount Rushmore, Mined for Rare Earth
Minerals
SandstoneRock (Sedimentary)Type: ClasticTexture: Fine-GrainedUses: Grindstones, Housewares, Paving
Anthracite CoalRock (Sedimentary)Type: Non-ClasticTexture: Smooth & ShinyUses: Refining Metals, Energy Source, Filtration
SchistRock (Metamorphic)Type: FoliatedUses: Landscaping, Rock Walls, Jewelry
ChertRock (Sedimentary)Type: ClasticTexture: Fine-GrainedUses: Archaic Tools & Weapons, Starting Fires
CorundumMineralColor: Colorless unless there are impuritiesLuster: VitreousGroup: OxideUses: Sandpaper, Jewelry, Grinding Wheels
HaliteMineralColor: Colorless unless there are impuritiesLuster: TransparentGroup: ChlorideUses: Melting Ice, Enhancing Flavor
SoapstoneRock (Metamorphic)Type: Non-FoliatedUses: Countertops, Sculpture, Landscaping
GraphiteMineralColor: Silver Grey to BlackLuster: MetallicGroup: Native ElementUses: Batteries, Brake Linings, Lubricants
DiamondMineralColor: ClearLuster: Transparent (Bright)Group: CarbonateUses: Jewelry, Cutting Tools, X-Ray Machines
MalachiteMineralColor: GreenLuster: OpaqueGroup: CarbonateUses: Jewelry, Paint Pigments, Harden Tools
AzuriteMineralColor: BlueLuster: VitreousGroup: CarbonateUses: Gemstone, Ornamental, Blue Pigment
(when crushed)
GoldMineralColor: Bright YellowLuster: MetallicGroup: Native ElementUses: Jewelry, Currency, Statues
SulfurMineralColor: Yellow or Yellow-BrownLuster: DullGroup: SulfideUses: Rubber Dye, Insecticide, Matches
BariteMineralColor: White or ColorlessLuster: Vitreous or PearlyGroup: SulfateUses: Paint Filler, Medical Uses, Plastics
PyriteMineralColor: Bright, Brassy YellowLuster: Vitreous or PearlyGroup: SulfideUses: Making Sulfur Dioxide and Sulfuric Acid,Jewelry, Crystal Radios
HematiteMineralColor: Black, Gray, Brown or RedLuster: OpaqueGroup: OxideUses: Iron-Making, Jewelry, Face Paint
TalcMineralColor: Pale Green, White or White-Gray Luster: Vitreous or PearlyGroup: SilicateUses: Talcum Powder, Ceramics, Paint
CalciteMineralColor: White or Gray, Yellow or Green with
impurities Luster: Vitreous or PearlyGroup: CarbonateUses: Dissolve Acid, Gun and Bomb Sites,
Construction (in the form of Limestone)
FluoriteMineral• Color: purple, blue, green, yellow, colorless,
brown, pink, black and reddish orangeLuster: Non-MetallicGroup: HalideUses: Coating for cooking utensils, manufacture
of steel, ornamental uses
ApatiteMineralColor: Usually Green, but may have impurities
of other colorsLuster: Dull VitreousGroup: SilicateUses: Fertilizer, Gemstone, Removal of
Radioactive Waste
PhyliteRock (Metamorphic)Type: FoliatedUses: Countertops, Gravel, Landscaping