Wipe all acid off the rock sample with a paper towel.
Marble acid test.
Bits of calcite from a geode bubble.
The acid test i wanted to seal the marble with something to protect it against some of the nasty elements of the kitchen.
If the acid only makes the rock wet wipe the rock with a paper towel and go back to homogeneous looking rocks.
But the petch house test didn t take into account the messiness that is me in the kitchen.
Dolostone is a rock composed of almost entirely of dolomite.
The marble performed surprisingly well regardless of sealing.
First you measure out 25cm3 of hydrochloric acid 2.
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.
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.
The acid test on rocks.
In the petch house acid test greg sealed half of a piece of marble keeping the unsealed side as a control.
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.
He then subjected both sides to tomato sauce limes and red wine.
Limestone dolostone and marble.
If the acid fizzes on your sample your rock is probably marble.
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.
What is the acid test in geology.
Some rocks contain carbonate minerals and the acid test can be used to help identify them.