Magnetite Crystal With Hemetite Coating
The typical octahedral habit is evident here. There are
hematite inclusions on the surface of the grain. This is from a
sand sample collected on the beach at San Carlos, Mexico.
Transmitted Off Crossed Circular Polarized and Reflected Darkfield Illumination
Definition/Function:
Magnetite is Fe3O4 and is cubic in crystal habit all though
octahedral {111} parting may be evident.
Significance in the Environment:
Characteristic Features:
Associated Particles:
References:
Deer, W. A., R. A. Howie, and J. Zussman, AN INTRODCUTION TO THE ROCK-FORMING MINERALS,
ISBN 0-582-30094-0, pp. 558, 562-564, 1992.
