McGregor Lake Random

McGregor Lake is an argillite stone quarried from a large rock formation in Northwest Montana. This quarry produces a highly attractive stone consisting of golds, browns and grey tones with exciting dendrite fern patterns.

2-3″ Random

Thickness: 2-3″
Face Values: 1 to 2 sq ft
Weight per sq ft: 33 lbs
Weight per pallet: 4,000 lbs
Coverage per ton: 50-60 sq ft

3-5″ Random

Thickness: 3-5″
Face Values: 1.5 to 2.5 sq ft
Weight per sq ft: 53 lbs
Weight per pallet: 4,000 lbs
Coverage per ton: 30-40 sq ft

Geological Stone Type: Argillite

*All weights and coverages are approximate

Parent Quarry

Stone Vendor

Mussel Shell River Squares & Recs interior

Montana Rockworks, Inc.

Montana Rockworks, the Northwest’s largest supplier of Thin Veneer, Architectural and Landscape stone. We are located in Kalispell, Montana; just south of the gorgeous Glacier National Park. We quarry our stone right here in the Northern Rockies; helping homeowners, architects, masons, and contractors bring the majestic beauty of natural stone into their homes and building projects.

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