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greenstone
[ green-stohn ]
noun
- any of various altered basaltic rocks having a dark-green color caused by the presence of chlorite, epidote, etc.
greenstone
/ ˈɡriːnˌstəʊn /
noun
- any basic igneous rock that is dark green because of the presence of chlorite, actinolite, or epidote
- a variety of jade used in New Zealand for ornaments and tools
greenstone
/ grēn′stōn′ /
- Any of various green metamorphic rocks formed from igneous rocks that have a relatively low silica content and owe their color to the presence of a green mineral such as chlorite, hornblende, or epidote.
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Word History and Origins
Origin of greenstone1
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Example Sentences
“Bud tender” Allie Greenstone (her real name) answers the door.
From The Daily Beast
Indistinct specimens of greenstone, with adhering quartz; apparently a primitive rock.
From Project Gutenberg
It is found in connection with isolated blocks of amygdaloid, of primitive greenstone, and of petrosilex.
From Project Gutenberg
Greenstone or diorite is usually a dull greenish rock, sometimes gray, however, speckled with green.
From Project Gutenberg
Greenstone is an excellent rock, and has a fine surface, but it is unmanageable.
From Project Gutenberg
The gold exists in spangles and in grains, disseminated among fragments of greenstone and porphyry.
From Project Gutenberg
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