Pegmatite
Previous Owner: MIT
Dimensions:Largest 14 x 9 x 5.5 cm; Smallest: 4.5 x 3 x 5.5 cm
Place Collected:Fallon Brothers Quarry, Quincy
Object number: MITMA842
DescriptionFour pieces of pegmatitic granite from the Fallon Brothers Quarry in Quincy MA, mainly quartz and well-crystalized hornblende several centimeters in length.