Object ID:
1917.8.66
Collection:
Natural History-Ladies of New London
Object Name:
Syenite
Dimensions:
H-2.2 W-2.1 L-3 inches
Description:
Intrusive igneous rock, persilicic rock (>65% silica), primarily composed of nepheline and cancrinite, black minerals present, phaneritic.
Other Name:
Nephelite-Cancrinite Syenite
VE Exhibit Label 1:
Phaneritic: of or relating to an igneous rock in which the crystals are so coarse that individual minerals can be distinguished with the naked eye. Phaneritic rocks are intrusive rocks that cooled slowly enough to allow significant crystal growth.
Rock Type:
Igneous
Found:
Litchfield, Maine
Click to Enlarge
Front
Back
Front
Back