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Arizona Rock and Mineral 1321 – Northwestern White Marble Ballast – N Scale


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SKU: ARM1321 Category:


White marble rock ballast. 132 White Marble Ballast is a white limestone rock for any railroad that uses white ballast for the railroad in the north western United States, like NW & SF. Marble is a metamorphic rock composed of recrystallized carbonate minerals, most commonly calcite or dolomite. Marble is typically not foliated, although there are exceptions. In geology, the term marble refers to metamorphosed limestone, but its use in stonemasonry more broadly encompasses unmetamorphosed limestone. We crush it down to make 132 White Marble Ballast.

Arizona Rock and Mineral N Scale
Northwestern White Marble Ballast
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Additional information

Weight 0.71875 lbs
Dimensions 8 × 4 × 1.25 in




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