Hydrochloric acid (HCl) is available in hardware stores as muriatic acid, for use in cleaning stains from concrete. For geological field use, the acid is diluted to 10 percent strength and kept in a small strong bottle with an eyedropper. This gallery also shows the use of household vinegar, which is slower but suitable for occasional or amateur users.
|Calcite in Hydrochloric Acid||Dolomite in Hydrochloric Acid||Calcite in Acetic Acid||Mystery Carbonate|
|Calcite Test Fails||Crushed Carbonate Mineral||Dolomite in Acetic Acid|
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