Cutting Edge > Mineralogy > Teaching Activities > Mineral composition using XRF (EDS or microprobe)

Mineral composition using XRF (EDS or microprobe)

Wendy Panero
,
Ohio State University
Author Profile

This activity was selected for the On the Cutting Edge Reviewed Teaching Collection

This activity has received positive reviews in a peer review process involving five review categories. The five categories included in the process are

  • Scientific Accuracy
  • Alignment of Learning Goals, Activities, and Assessments
  • Pedagogic Effectiveness
  • Robustness (usability and dependability of all components)
  • Completeness of the ActivitySheet web page

For more information about the peer review process itself, please see http://serc.carleton.edu/NAGTWorkshops/review.html.


This page first made public: Jul 16, 2009

Summary

At the end of this exercise you will be able to calculate chemical formula of a mineral based on weight percent oxides, and evaluate the extent of solid solution between end member compositions.

Used this activity? Share your experiences and modifications

Context

Audience

Undergraduate mineralogy

Skills and concepts that students must have mastered

Prelab: Calculation of wt% oxides.

How the activity is situated in the course

Part of a sequence of exercises exploring the crystal chemistry of solid solutions.

Goals

Content/concepts goals for this activity

Determining the chemical composition of samples.

Higher order thinking skills goals for this activity

Observation of solid solutions in multicomponent systems

Other skills goals for this activity

Use of analytical equipment.

Description of the activity/assignment

At the end of this exercise you will be able to calculate chemical formula of a mineral based on weight percent oxides, and evaluate the extent of solid solution between end member compositions.

Determining whether students have met the goals

Written discussion

More information about assessment tools and techniques.

Download teaching materials and tips

Other Materials

See more Teaching Activities »