Mica and pyrite are minerals found in the ground and in rocks that are excavated from quarries and used in building blocks. These minerals cause defects in building blocks, which lead to cracks and ...

Starlight Mineral Resource Estimate now 12.9Mt at 2.7g/t Au for 1.13Moz of gold - a 91% increase since June 2024. The expanded Mineral Resource Estimate is the result of concerted 2-year drilling ...