PHYSICAL PROPERTIES | MINERAL NAME, FORMULA |
|---|---|
| Most commonly WHITE or CLEAR, but other colors are possible;EFFERVESCES (fizzes) IN DILUTE HCl acid; H=3. | CALCITE, CaCO3 |
| Most commonly WHITE, PINK, or GRAY; commonly in fine-grained granular masses; REACTS WEAKLY WITH HCl acid (slowly or only if sample is powdered); H=3-3.5. | DOLOMITE, CaMg(CO3)2 |