Lesson plan
Edenite
Edenite or edenitic hornblende is a double chain silicate mineral of the amphibole group with the general chemical composition NaCa 2 Mg 5 (Si 7 Al)O 22 (OH) 2 . Edenite is named for the locality of Edenville, Orange County, New York, where it was first described.
Article summary
Edenite or edenitic hornblende is a double chain silicate mineral of the amphibole group with the general chemical composition NaCa 2 Mg 5 (Si 7 Al)O 22 (OH) 2 . Edenite is named for the locality of Edenville, Orange County, New York, where it was first described.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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