Quicksilver Schist is a type of metamorphic rock that is commonly used for interior applications such as countertops, flooring, and wall cladding. However, its use in exterior applications in hot climates may not be ideal.
Schist is a foliated rock that consists of layers of minerals, which can include mica, quartz, and feldspar. In hot climates, the intense heat and prolonged exposure to the sun can cause the rock to expand and contract, potentially leading to deterioration, cracking, and fading of the stone.
Additionally, schist is known to have a relatively high absorption rate, meaning it can absorb moisture. In hot climates with high humidity or exposure to rain, this can exacerbate the deterioration of the rock and the potential for mold or mildew growth.
Therefore, it is generally not recommended to use Quicksilver Schist or any other type of schist for exterior applications in hot climates. Its best to consult with a professional, such as a geologist or a stone specialist, who can provide more specific guidance based on the unique conditions of your location.