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The trend for white and gray lends itself to the typical Dolomite colors. Dolomites are often oversold as a Marble that performs like Granite. Unfortunately that is not quite right. Dolomites are slightly harder than your average marble but are much softer than granite, therefore they can scratch. Also, although dolomites will hold up better than marble or calcite to acids and etching, they can still etch. Dolomites make a great looking countertop and can be used in the kitchen, bathrooms, etc., but don't expect the same performance as a harder stone like granite or quartzite. In terms of performance, you'd be better to think of Dolomite as a harder form of marble.
Dolomite, also known as dolostone and dolomite rock, is a sedimentary rock composed primarily of the mineral dolomite. Dolomite is found in sedimentary basins worldwide. It is thought to form by the post depositional alteration of lime mud and limestone by magnesium-rich groundwater.
Dolomite, like most natural stones is porous and needs to be sealed to prevent staining. Although it performs better than true marble, It can scratch and etch, so be aware of the maintenance concerns before using in a kitchen.