Wipe all acid off the rock sample with a paper towel.
Marble acid test.
In the petch house acid test greg sealed half of a piece of marble keeping the unsealed side as a control.
If the acid only makes the rock wet wipe the rock with a paper towel and go back to homogeneous looking rocks.
He then subjected both sides to tomato sauce limes and red wine.
Some rocks contain carbonate minerals and the acid test can be used to help identify them.
Bits of calcite from a geode bubble.
What is the acid test in geology.
But the petch house test didn t take into account the messiness that is me in the kitchen.
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.
Every serious field geologist carries a small bottle of 10 percent hydrochloric acid to perform this quick field.
Limestone is composed almost entirely of calcite and will produce a vigorous fizz with a drop of hydrochloric acid.
If the acid fizzes on your sample your rock is probably marble.
The marble performed surprisingly well regardless of sealing.
Secondly weight out 3 grams of marble chips for each concentration 3.
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.
First you measure out 25cm3 of hydrochloric acid 2.
Dolomite from a chip of marble fizzes immediately but gently in a 10 percent hcl solution.
The acid test on rocks.
Powdered marble reacts with hydrochloric acid to release bubbles of carbon dioxide gas.
The acid test i wanted to seal the marble with something to protect it against some of the nasty elements of the kitchen.