hapkeite
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Hapkeite is a mineral discovered in the Dhofar 280 meteorite found in 2000 in Oman on the Arabian Peninsula. The meteorite is believed to originate from the Moon; specifically, it appears to be a fragment of lunar highland breccia. Hapkeite's composition is of silicon and iron, and it is similar to other silicon-iron minerals found on Earth. An impact on the Moon is thought to have launched the partially molten or vaporized material into orbit.
Key facts
- Mineral.name
- Hapkeite
- Mineral.category
- Native element minerals
- Mineral.formula
- Fe2Si
- Mineral.IMAsymbol
- Hpk
- Mineral.strunz
- 1.BB.35
- Mineral.system
- Isometric
- Mineral.class
- Hexoctahedral (mm) H-M symbol: (4/m 2/m)
- Mineral.symmetry
- Pmm
- Mineral.unit cell
- a = 2.831 Å; Z = 1
- Mineral.color
- silvery, with a slight tarnish
- Mineral.luster
- metallic
- Mineral.diaphaneity
- opaque
via Wikipedia infobox
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Encyclopedic overview
2 sectionsContents
- See also
- References
Hapkeite is a mineral discovered in the Dhofar 280 meteorite found in 2000 in Oman on the Arabian Peninsula. The meteorite is believed to originate from the Moon; specifically, it appears to be a fragment of lunar highland breccia. Hapkeite's composition is of silicon and iron, and it is similar to other silicon-iron minerals found on Earth. An impact on the Moon is thought to have launched the partially molten or vaporized material into orbit.
Due to its 1:2 composition of silicon-iron, hapkeite was given the chemical formula Fe2Si. It occurs as opaque, yellowish to silvery microscopic isometric crystals.
Excerpted from Wikipedia’s “hapkeite” article, available under the CC BY-SA 4.0 licence.