Rocks & Minerals Unit Study: Labradorite, Aurora Borealis Trapped in Stone

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Labradorite, a remarkable rainbow shimmering stone exhibits a property called labradorescence. Labradorescence, or the schiller effect, comes from the stone's internal reflection depending on the light's angle falling into the stone, which disperses the light into multi colors. It's the only mineral in the plagioclase (feldspars consisting of aluminosilicates of sodium and/or calciummineral series) which exhibits strong labradorescence.

Labradorite's histroical and geographic connections are studied in this unit including Labradorite's discovery and legend from Newfoundland and Labrador and discovery of spectrolite in Finland. Students are given two maps of the countries as template cutouts which can be optionally used for a labbook or interactive journal page.

This 16-page PowerPoint with 19-page activity guide includes the following:

1). Profusely illustrated PowerPoint slides using beautiful photographs (the PowerPoint is the main textbook for the unit study)

2). PowerPoint Interaction Questions

3). Connections with ancient history and geography

4). Labradorite Journal Entry template

5). Labradorite Web Resources link on the Rocks & Minerals course website

6). NatureGlo’s eScience student project rubric

7). Two template foldables for a lapbook, journal or interactive notebook

9). Template Answer Keys

9). One Quiz

10). PowerPoint Interaction Questions & Quiz Answer Key
Total Pages
35
Answer Key
Included with Rubric
Teaching Duration
Other

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Rocks & Minerals Unit Study: Labradorite, Aurora Borealis
Rocks & Minerals Unit Study: Labradorite, Aurora Borealis
Rocks & Minerals Unit Study: Labradorite, Aurora Borealis
Rocks & Minerals Unit Study: Labradorite, Aurora Borealis