Are the stones in ring 1 and 2 are the same or different substances

stones in ring #1
density
5.92g/cm3
color
no color
hardness
8.5
melting point
2759 degrees celsius
not soluble in water

stones in ring #2
density
3.52g/cm3
no color
hardness
10.0
melting point
3547 degrees celsius
not soluble in water

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.