In what south american country have hydrolyte geodes been found

Hydrolyte geodes have been found in Brazil.

Explanation:

Hydrolyte geodes which are agate, amethyst and quartz have been found in South American continent in country Brazil. These are geological secondary formation in which the masses of matter of minerals which might also include crystals are not seen.

In physical appearance, they are hollow, and are roughly formed circular rocks and are formed within sedimentary and volcanic rocks and they are subjected to to hydrolysis.

The southamerican country in which hydrolyte geodes have been found is:

Brazil

Explanation:

Hydrolyte Geodes is the name given to hollow igneous and sedimentary rocks that contain crystals attached to its surface. The most common crystals on their surface are agate, amethyst, and quartz. Brazil has the geological conditions that allow their presence because its geological conditions include volcanos, soil penetrated by rivers as well as the ocean, and minerals accumulations inside grottos.

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