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Developed By: University of Central Florida
Available From: CLASS Exolith Lab

The LMS-1D Lunar Mare Dust Simulant has been developed by the CLASS Exolith Lab for dust mitigation experiments and other applications where very fine dust is needed. LMS-1D is made of the same base material as LMS-1, our high-fidelity, mineral-based simulant appropriate for a generic or average mare location on the Moon. The simulant is not made of a single terrestrial lithology, but accurately captures the texture of lunar regolith by combining both mineral and rock fragments (i.e., polymineralic grains) in accurate proportions. This dust simulant contains only particles finer than 30 μm.

Mineralogy

Component	Wt.%
Pyroxene	32.8
Glass-rich basalt	32.0
Anorthosite	19.8
Olivine	11.1
Ilmenite	4.3

Bulk Chemistry

Oxide	Wt%
SiO₂	40.2
Al₂O₃	14
CaO	9.8
Fe₂O₃	13.9
K₂O	0.6
MgO	12
MnO	0.3
P₂O₅	1
TiO₂	7.3
Cl	0.4
Cr₂O₃	0.3
NiO	0.2
SrO	0.1
Total	100

Physical Properties

Particle size range: 0-30 μm
Mean particle size (by volume): 7 μm
Bulk density*: 0.70 g/cm³
*Note that bulk density is not an inherent property and depends on the level of compaction

Photo Credit: Emma Torregrosa, Exolith Lab