The "Acid Test" - Reaction of Calcite

Source/Author: Scott Brande
Subject: physical geology; mineral properties
Description: The mineral calcite is tested against a cold, dilute (10%) solution of hydrochloric acid (HCl). Observation reveals a reaction that is characteristic of this mineral, and helps in identifying calcite.
Duration: 00:01:10
Comments: Suitable for video demonstration in introductory earth science or geology, lecture or laboratory.

calcite HCl thumb