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