Pegmatite
Previous Owner: MIT
Dimensions:Largest: 18 x 13 x 5 cm; Smallest: 9 x 7 x 3 cm
Place Collected:Fallon Brothers Quarry, Quincy, Norfolk Co., MA
Object number: MITMA845
DescriptionThree pieces of a very interesting porous pegmatite-related rock with blocky white feldspar crystals in a matrix(?) of small elongate green aegerine crystals.