A. crystals B. minerals C. Legos ® D. fossils

A. molecules B. atoms C. compounds D. substances

 A. Hardness  B. Luster  C. Crystal shape  D. Streak  E. Boiling Point  F. Fracture and cleavage  G. Density

A mineral cannot be composed of materials that were once living.

For an item to be considered a mineral it must be solid, inorganic, naturally occurring, have a definite chemical composition and ____________. A. A. be harder than a penny B. B. have a particles that line up in a pattern C. C. be composed only of carbon D. D. come in only one color

 A. Talc  B. Fluorite  C. Quartz  D. Topaz Mohs Hardness Scale

 A. Glass  B. Fingernail  C. Steel nail  D. Diamond ring Mohs Hardness Scale

 A. Physical  B. Chemical

 A. Hematite  B. Quartz  C. Calcite  D. Flourite

A. Crystal Structure B. Luster C. Chemical Composition D. Color

 A. Red  B. Rough  C. Shiny  D. Soft

 A. Color is the most useful property for identifying minerals because each type of mineral comes in only one color.  B. Color is not the best property to help identify minerals because one type of mineral can come in many different colors. Azurite – blue

A B AC D

 A. Luster  B. Fracture  C. Density  D. Streak

gwydir.demon.co.uk/jo/minerals/calcite.htm Quartz and calcite can be hard to tell apart, because they look so similar. Which picture do you think is Quartz? B A

gwydir.demon.co.uk/jo/minerals/calcite.htm You can tell quartz and calcite apart by doing an acid test. Calcite will fizz when acid touches it, quartz will not. What kind of property is calcite’s reaction to acid? A.Physical property B.Chemical property

B A C

 A. A mineral dissolves in water, when the water evaporates, the mineral reappears.  B. A mineral changes color when combined with an unknown liquid.  C. A mineral is broken into two pieces.  D. A mineral is cut and polished to be used in a piece of jewelry.

6calcite-cleavage2.jpg 70.JPG uscovite.jpg B A C D

 A. Color  B. Luster  C. Density  D. Streak