Unknown+Mineral+4

=Mineral Identification=

Mineral #4
Click on each of the tests to discover the properties of this mineral. After you have completed the tests, click on the mineral identification chart and try to correctly name the mineral. __1. Colour__** - grey and brown __**3. Streak**__ - click on the streak plate to see what colour this mineral leaves behind.
 * [[image:unknown_mineral_4.jpg width="218" height="191" align="left"]]Properties/Tests:
 * __2. Lustre__** - dull


 * __4. Hardness__** - Click on the following tools to see which one is hard enough to scratch the mineral. Always start at the softest (the pencil) and work towards the hardest (emery paper) and stop at whichever one scratches the mineral first. Then, find the number on the Moh's hardness scale that corresponds to that tool.[[image:pencil.gif width="75" height="83" align="left" caption="pencil Hardness 1.5" link="No Scratch"]][[image:finger.jpg width="61" height="85" align="left" caption="finger nail Hardness 2.5" link="No Scratch"]][[image:penny.jpg width="88" height="89" align="left" caption="copper penny Hardness 3.5" link="No Scratch"]][[image:nails.jpg width="89" height="85" align="left" caption="iron nail Hardness 4.5" link="No Scratch"]][[image:glass.jpg width="64" height="86" align="left" caption="glass Hardness 5.5" link="It Scratched - Mineral 4"]][[image:file.jpg width="81" height="84" align="left" caption="steel file Hardness 6.5" link="it scratched already"]][[image:splate.jpg width="72" height="87" align="left" caption="streak plate Hardness 7" link="it scratched already"]][[image:spaper.jpg width="80" height="86" align="left" caption="sand paper Hardness 7.5" link="it scratched already"]]