What phosphate is reddish-brown and includes rare earth elements such as silica, uranium, and thorium?

Monazite is a phosphate mineral that is categorized as a group of minerals due to its variable composition. It often appears as a small, solitary crystal. It is also a radioactive mineral due to the presence of thorium and uranium.

Asked by Vasilii Kulev · Last updated 3 years ago · 627 views · SOURCE