Keilite is an iron - magnesium sulfide mineral with the chemical formula (Fe,Mg)S) that is found in enstatite chondrites. [2] . Keilite is the iron-dominant analog of niningerite. [3][4] Keilite is …

An accessory mineral in enstatite chondrite meteorites. Niningerite, enstatite, kamacite, troilite. Distribution: From the Abee [TL], Adhi-Kot, Saint-Sauveur, LEW 88180, RKP A80259, LEW …

He is the former director of the Hawaii Institute of Geophysics and Planetology and the University of New Mexico Institute of Meteoritics. He pioneered the use of the electron microprobe to …

Keilite. Comments: B&W polished section image (a) of keilite (Ke) with troilite/pyrrhotite (Tro/Pyr) and metal (FeNi); gray, mostly oval grains are enstatite (En) and somewhat darker interstices …

2007年5月11日 · Keilite occurs exclusively in enstatite chondrite impact-melt rocks or impact-melt breccias. I suggest that it formed from niningerite or alabandite by reaction with troilite at …

Keilite is a mineral with formula of Fe 2+ S 2-or FeS. The corresponding IMA (International Mineralogical Association) number is IMA2001-053. The IMA symbol is Ke.

2023年7月22日 · Keilite ((Fe>0.5,Mg<0.5)S) is thought to have formed by reaction between troilite and either niningerite or alabandite during impact heating and subsequent rapid cooling on the …

Keilite 2+(Fe , Mg)S Crystal Data: Cubic. Point Group: 4/m 3-2/m. Granular, to 0.5 mm. Physical Properties: Cleavage: Good on (001), (010), and (100). Tenacity: Brittle. Hardness = ~4 …

Keilite, (Fe,Mn,Mg,Ca,Cr)S, from the Zak łodzie enstatite achondrite is described. Forming xeno-morphic grains up to 0.5 mm in diameter, the keilite is associated with troilite (or pyrrhotite), Fe …

2025年3月22日 · Keilit mineral data, information about Keilit, its properties and worldwide locations.