37a174f2_ORLD_WILL_COME_TRUE__July_2009__Grain_Size
[Usual Color] medium [Other] between felsite and basalt [Composition] medium-silica lava [Rock Type] Andesite [Grain Size] 
fine or mixed
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