Lunar regolith breccia.
Unadequately described phase "pseudoarmalcolite" has been found in the lunar soil. Its composition is: (Ti1.91Zr.08)1.99(Fe.27Mg.10Cr.25Al.07 Ca.12Si.02)0.84O5.
http://rruff.geo.arizona.edu/doclib/am/vol75/AM75_676.pdf
Ref.:
- Meyer C. and Yang S.V. (1988) Tungsten-bearing yttrobetafite in lunar granophyre, - Am. Mineral. 73, 1420-1425.
26 entries listed. 15 valid minerals. 1 type locality (valid mineral).