37a174f2_ORLD_WILL_COME_TRUE__July_2009__Grain_Size
[Usual Color] medium to dark [Other] no quartz; may have olivine [Composition] high-calcium plagioclase and dark minerals [Rock Type] Gabbro [Grain Size] 
coarse
f i n e
f i n e o r m i x e d
m i x e d
c o a r s e
v e r y c o a r s e
MY WORLD WILL COME TRUE: July 2009
Grain Size