minerals
Is graphite broken with cleavage or fracture?
Cleavage
What are the 2 environments where igneous rocks form?
Intrusive and Extrusive
Whats the difference between inorganic and organic formed sedimentary rocks?
Inorganic rocks are formed by land derived but organic rocks are chemically formed.
What are the 2 main textures for metamorphic rocks?
Foliated and non-foliated
What are the common colors of talc?
green and white
What igneous rock is intrusive and has a texture thats very coarse?
Pegmatite
What rock is inorganic, clastic, and has rounded fragments?
Conglomerate
What are the 2 other textures under foliated?
Banding and mineral-aligment.
What is the composition of galena?
PbS
What 2 extrusive igneous rock is non-crystalline and glassy, and non-vesicular?
Obsidian and basaltic glass
What rock as the texture of crystalline, and composed of dolomite?
Dolostone
What metamorphic rock has only the compostion of mica?
Slate
Could pyroxene scratch calcite?
Yes because pyroxene has a hardness of 5-6. And calcite has a hardness of 3
What igneous rock contains only olivine?
Dunite
What rock is compacted by plant remains?
Bituminous coal
What metamorphic rock is composed of quartz?
Quartzite
What is pyrite hardness? And would it be able to scratch glass?
Its hardness is 6.5. And yes it could scratch glass because glass has a hardness of 5.5
What 2 intrusive igneous rocks contain potassium feldspar, quartz, plagioclase feldspar, biotite and amphibole?
Granite and pegmatite
What rock has a grain size from (0.0004 to 0.0006 cm)?
siltstone
What metamorphic rock is the metaphorism of limestone or dolostone?
Marble