What are the characteristics of quartz, barite and calcite to distinguish them?
Calcite composition is calcium carbonate, quartz silica, barite barium sulfate
Barite: more important than;Calcite: small hardness with 5% drops of hydrochloric acid bubbling;Quartz: hardness, grease gloss;
Calcite cleavage is obvious, quartz without cleavage, barite crystals are usually tube shaped!
