Basalt is hard, sharp, heavy,
grey to black.
Lava is soft, porous, light,
red-grey-black.
Pumice is soft, porous, grey.
River Rock is hard, rounded,
heavy, a range of colors from
red to yellow to green,
brown, black, and even
purple.
Turtle Shell Rock is hard,
heavy, roughly rounded,
brownish-red.
Ying Rock is hard, heavy,
rough, grey with white mixes.
grey to black.
Lava is soft, porous, light,
red-grey-black.
Pumice is soft, porous, grey.
River Rock is hard, rounded,
heavy, a range of colors from
red to yellow to green,
brown, black, and even
purple.
Turtle Shell Rock is hard,
heavy, roughly rounded,
brownish-red.
Ying Rock is hard, heavy,
rough, grey with white mixes.
Less common are axe-cut
rock, xuan, and bamboo
shoot rock.
rock, xuan, and bamboo
shoot rock.
