Macroscopic Solutions:
White Marble before HCl
Macroscopic Solutions:
White Marble after HCl
Macroscopic Solutions:
polished_k_feldspar_epidote_quartz_biotite_matrix
Macroscopic Solutions:
polished_k_feldspar_epidote_quartz_biotite_matrix
Macroscopic Solutions:
Gneiss. Queenstown, New Zealand