Claudia Mann
Learn more about the properties of minerals . You will also find Information, activities, and lesson plans on rocks, minerals, and crystals designed for students and teachers at http://www.rocksandminerals4u.com or buy mineral specimens
Articles by this Author
Amazonite - Extraordinary Feldspar
- By Claudia Mann
- Published 10/6/2008
- Education
- Unrated
Amazonite has a soft green to blue green color, often with thin white streaks interlacing the green It forms blocky prismatic or tabular crystals with angles that are not quite ninety degrees
What is a Geode?
- By Claudia Mann
- Published 09/23/2008
- Education
- Unrated
The formation of Geodes takes place over millions of years and involves several different geological processes
Hollow Rocks
So, let’s start at the beginning: how do you get a hollow rock with lots of sparkling crystals inside
The Triassic Period a Time of Transition
- By Claudia Mann
- Published 06/20/2008
- Education
- Unrated
The Triassic Period begins the Mesozoic Era The mass extinction event at the end of the Permian period ended 90% of the species on earth at that time
The Mesozoic Era
- By Claudia Mann
- Published 06/2/2008
- Education
- Unrated
The Mesozoic Era begins at the end of the Permian Period Mass extinction had eliminated most of the species of life that had existed throughout the Paleozoic Era
Sedimentary Rocks
- By Claudia Mann
- Published 05/27/2008
- Education
- Unrated
Sedimentary rocks are classified as clastic, chemical, and organic sedimentary rocks
The rocks in each group form by completely different processes
The Paleozoic Era
- By Claudia Mann
- Published 05/14/2008
- Education
- Unrated
The Paleozoic Era is seen in the fossil record as an explosion of life forms The Cambrian Period marks the beginning of an era with thousands of new life forms in the ancient seas
Igneous Rocks
- By Claudia Mann
- Published 05/13/2008
- Education
- Unrated
Igneous…ignite And that’s just what happens when igneous rocks form
Properties Of Minerals
- By Claudia Mann
- Published 05/3/2008
- Education
- Unrated
Mineral identification is done by checking for certain properties of minerals Because each mineral has its own unique set of physical properties we can test a specimen and find out how it exhibits these properties
