Lab 2 Activity

Overview

For Lab 2, you will continue to work through the 22 mineral samples. As a reminder, the samples include the following minerals:

Full Mineral Sample List
Amphibole Galena Muscovite Quartz (Milky)
Apatite Graphite Olivine Quartz (Rock Crystal)
Biotite Gypsum Plagioclase feldspar Quartz (Rose)
Calcite Halite Potassium feldspar Sphalerite
Chalcopyrite Hematite Pyrite
Fluorite Magnetite Pyroxene

Samples to Use for Lab 2

Collect the following mineral samples:

MI-04b MI-08 MI-19 MI-25
MI-04c MI-12 MI-20 MI-27
MI-05 MI-14 MI-22

Clues

  1. Two of the samples will display excellent cleavage in at least one direction.
  2. Five of the samples have a metallic or submetallic lustre.

What to Do Next

Use the Lab 2 worksheet (Figure 1.21) to record your observations and guide you through the identification process for each mineralt. Refer to Tables 1.2 to 1.4, and/or the Mineral ID Decision Tool in the Reference Tools for Minerals section of this lab manual to help you match your observations with a name.

 

Figure 1.21 | Worksheet for Lab 2. Source: Saoirse MacKinnon (2024) CC BY-NC-SA 4.0 Get this worksheet as a PDF file.

License

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Laboratory Manual for Earth Science (2Ed) Copyright © 2024 by Karla Panchuk and Saoirse MacKinnon is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License, except where otherwise noted.

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