The information given here is provided by the Commission on New Minerals and Mineral Names, I.M.A. for comparative purposes and as a service to mineralogists working on new species.

Each mineral is described in the following format:

Strongest lines in the X-ray powder diffraction pattern

The names of these approved species are considered confidential information until the authors have published their descriptions or released information themselves. No other information will be released by the commission.

IMA No. 2001-001

SmPO4

Monazite group; structure determined

Monoclinic: P21/n

a 6.725, b 6.936, c 6.448 Å, β104.02°

Yellowish; vitreous...

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