An immense, web-based databse of minerals that includes physical properties, photographs, chemical composition, animations of mineral structure, and classification.
Mineral Gallery - A more detailed exploration of mineral properties, including more unusual properties like phosphorescence and magnetism. Includes lots of pictures.
The father of mineral classification
Creator of the hardness scale
Hodge and McKay - Development of a new hardness scale
Holden - Summarizing color occurence in quartz
News & Events
News from around the world of science.
USGS mineral resources.
Google - Research database allows searching of the scholarly literature.
From Richard Harwood at Black Hawk College, the tool includes an image of a mineral and a series of physical properties tests that help you identify minerals.
Designed by the U.S. Geological Survey (USGS), this interactive resource describes the minerals found in items we encounter every day.