Bacterial Deposits
Bacterial Deposits
Bacterial Deposits
Bacterial Deposits
Crystal texture
Crystal texture
Crystalline mineral facets
Crystal texture
Crystalline mineral facets
Crystalline mineral facets
Volcanic Textures
Crystalline mineral facets
Crystalline mineral facets
Crystalline mineral facets
Crystalline mineral facets
down at the sewer
Faceted ore deposits
Faceted ore deposits
Faceted ore deposits
Faceted ore deposits
Faceted ore deposits
Limestone Deposits
Limestone Deposits
Limestone Deposits
White wall of calcium deposits