1. Identify the chemical composition of this specimen.
2. What mineral group does this belong to, and what other mineral(s) are also in the same category? BE SPECIFIC WITH THE FIRST PART.
3. What is it's main crystal structure?
4. What three trace elements that can be found residing in the mineral?
Div. C - Cumberland Valley High School
Events: Battle at Valley Forge/MC Barons
Codebusters (3/3); Dynamic Planet (3/1); Astronomy (-/2)