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This enormous, non-commercial site provides links to information on everything from the properties of gemstones and minerals, to tips on purchasing them, to mounting them for jewelry.
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Classroom Considerations
- Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
- This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information