Download Lab #4 – Mineral Identification

Lab – Mineral Identification
Name: ___________________________________
Part A: Fill in the chart below as indicated. The rock samples are numbered, so you do
not have to do the chart in order. Make sure that you fill in the information for the correct
rock sample relative to the numbered space on the chart. Streak plates, hardness
testers, and magnets are on the side lab bench. Please share these with the class as
there are limited numbers to use. The sheet on Mineralogical Terms and Physical
Properties, as well as other text information you have received so far would be useful
references for this lab.
Roc
k#
i.e.:
#1
#2
#3
#4
#5
#6
#7
#8
#9
#10
Colour
Streak
Cleavage
Hardness
Luster
Other features …
Black
Red
Yes
~5
Pearly
Very heavy, good
crystals
Part B: Answer the following questions.
1. What is the common name for sample # 2?
__________________________________
2. Which sample numbers represent a ferromagnesian mineral? _______________
3. What are two characteristics of sample #5, which would indicate a metallic mineral?
A) _____________________________ (B) ________________________________
4. Which sample numbers show crystal faces?
___________________________________
5. Some minerals are magnetic. Give the number of any magnetic samples in this lab.
________________________
6. Identify by name each of the samples you worked with in this lab:
Sample #1: __________________________________________
Sample #2: __________________________________________
Sample #3: __________________________________________
Sample #4: __________________________________________
Sample #5: __________________________________________
Sample #6: __________________________________________
Sample #7: __________________________________________
Sample #8: __________________________________________
Sample #9: __________________________________________
Sample #10: _________________________________________
Refer to name list on front board for hints…