Marble Acid Test

It will produce a very weak fizz when a drop of cold hydrochloric acid is placed upon it a more obvious fizz when powdered dolostone is tested and a stronger fizz when.

Marble acid test.

Some rocks contain carbonate minerals and the acid test can be used to help identify them. If the acid fizzes on your sample your rock is probably marble. The acid test i wanted to seal the marble with something to protect it against some of the nasty elements of the kitchen. But the petch house test didn t take into account the messiness that is me in the kitchen.

Every serious field geologist carries a small bottle of 10 percent hydrochloric acid to perform this quick field. Powdered marble reacts with hydrochloric acid to release bubbles of carbon dioxide gas. Limestone dolostone and marble. The acid test on rocks.

First you measure out 25cm3 of hydrochloric acid 2. Limestone is composed almost entirely of calcite and will produce a vigorous fizz with a drop of hydrochloric acid. I have a 111 year old marble vanity in the bathroom that is doing great but the bathroom doesn t have red wine and tomato sauce in it. In the petch house acid test greg sealed half of a piece of marble keeping the unsealed side as a control.

Bits of calcite from a geode bubble. He then subjected both sides to tomato sauce limes and red wine. You then fill a bowl with water along with a boiling tube and straight after attach the delivery tube at the end of the boiling tube 4. Secondly weight out 3 grams of marble chips for each concentration 3.

If the acid only makes the rock wet wipe the rock with a paper towel and go back to homogeneous looking rocks. Dolostone is a rock composed of almost entirely of dolomite. Dolomite from a chip of marble fizzes immediately but gently in a 10 percent hcl solution.