Object ID:
1917.8.45
Collection:
Natural History-Ladies of New London
Object Name:
Granite
Dimensions:
H-1.2 W-2.3 L-4.3 cm
Description:
Intrusive igneous rock, persilicate rock (>65% silica), composed of anhedral potassium feldspar, anhedral quartz, and anhedral plagioclase, dark minerals present, phaneritic, porphoritic.
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:
Winchester, Massachusetts
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