what is
what is the most toughest mineral
diamond
what kind of rock is basait
igneous rock
what colour is mica
black
what kind of rock is marble
metamorphic
what colour is quartz
white or pink
what rock is marble made of
limestone
what colour is talc
light peach
where on earth can you find basalt
On the ocean floor
what colour is feldsper
orange
what colour is basalt
black