The chromatic uniformity of its base the type of grain and the thickness as well as drawing of its veins are characteristic and unique to each variety.
Marble grain type.
Colour variable pure marble is white but marble exists in a wide variety of colours all the way through to black.
Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism.
Marble granular limestone or dolomite i e rock composed of calcium magnesium carbonate that has been recrystallized under the influence of heat pressure and aqueous solutions.
Grain size medium grained.
Hardness hard although component mineral is soft calcite is 3 on moh s scale of hardness.
Commercially it includes all decorative calcium rich rocks that can be polished as well as certain serpentines verd antiques.
It is composed primarily of the mineral calcite caco 3 and usually contains other minerals such as clay minerals micas quartz pyrite iron oxides and graphite under the conditions of metamorphism the calcite in the limestone recrystallizes to form a rock that is.
Can see interlocking calcite crystals with the naked eye.
Petrographically marbles are massive rather than thin layered and consist of a.
Marble is commonly used for sculpture and as a building material.
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