Matter
Name
Pyroxene grains
Family
Family
mineral
Database
Experimentalists
Level
local matter
Origins
laboratory
Provider
Daniel Britt, Center for Lunar & Asteroid Surface Science, Partnership 1 Building, Suite 211, 12354 Research Parkway, Orlando, Florida
Preparation
sieved fraction
Phase type
solid
Component type (group)
mineral (silicate mineral)
Texture
loose granular
Type of porosity
particulate
Grain sizes
Grains Size min Size max Size median Size width Size mass fraction Grain shape
#1 25.0 ${\mu}m$ 50.0 ${\mu}m$ None
Size method
Grains selected by dry sieving
Number
7
Mode of mixing
homogeneous mixing
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Enstatite 0.44
Diopside 0.11
Talc 0.27
Plagioclase 0.09
Amphibole trace
Quartz trace
Kaolinite trace
Title
Grinding and sieving

Precursors

Matters

Produced matter

Matter
Pyroxene grains (this matter)
Processing steps
Step Date Type Process Changes
#1 mechanical Grinding: the raw material was put into the grinding bowl of a planetary grinder with 15-mm diameter ZrO2 balls for 20 minutes of dry-grinding
#2 mechanical Sieving: the grinded material was passed through 25-µm and 50-µm sieves
Publications