Sample No.:	RBT 04260
Location:	Roberts Massif
Field No.:	16425
Dimensions (cm):	6.5x4.5x2.0
Weight (g):	86.326
Meteorite Type:	CM2 Chondrite

Macroscopic Description: Kathleen McBride
The exterior has a purplish crust on 20% of its surface. The fractured interior is black with white evaporites. Evaporites cover most of the interior of this sample.

Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
The section consist of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Many chondrules are aqueously altered. Olivine compositions are Fa_0-1; orthopyroxene is Fs₁. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.

Thin Section Images

Cross-Polarized Light RBT 04260	Plane-Polarized Light RBT 04260

Lab Images