Other
New Dana System Mineralogy Database
Over 3,900 mineral species descriptions are included in this HTML-linked table of Dana classifications for all known valid mineral species. 3-D models are available for over 600 minerals.
Other
Mineralogical Society of America: Mineral Identification Key: Mineral Properties
Scientists classify minerals based on a set of physical properties. Each of these properties is described in detail.
American Academy of Achievement
Academy of Achievement: Keys to Success: Perseverance
Read inspiring quotes from famous people about how they demonstrate perseverance in their lives.