Scientists and philosopher team up, propose a new
way to categorize minerals, by Carnegie Institution
for Science, PhysOrg, December 21, 2020
[phys.org]

The paper is:

Cleland, C.E., Hazen, R.M., and Morrison, S.M., 2021,
in press, Historical Natural Kinds and Mineralogy:
Systematizing contingency in the context of necessity
Proceedings of the National Academy of Sciences

Other papers are:

Hazen, R.M., 2019. An evolutionary system of mineralogy:
Proposal for a classification of planetary materials based on
natural kind clustering. American Mineralogist, 104(6), pp.810-816.
[pubs.geoscienceworld.org]
[minsocam.org]

Hazen, R.M. and Morrison, S.M., 2020. An evolutionary
system of mineralogy. Part I: Stellar mineralogy (> 13 to 4.6 Ga).
American Mineralogist: Journal of Earth and Planetary Materials,
105(5), pp.627-651.
[www.minsocam.org]
[pubs.geoscienceworld.org]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)