River Valley Quarry |
Product Name: |
Midnight Black Granite
View Midnight Black Granite products in the Catalog... |
Quarry Location: |
Crerar and Gibbons Townships. Near Sudbury, Ontario. |
Summary: |
Upper Canada Stone has been supplying Midnight Black Granite aggregates to Architectural Concrete and Landscape customers throughout North America since we acquired the quarry in 1993 and we believe it to be the finest aggregate of its kind in North America. Midnight Black Granite is a physically and optically consistent and durable aggregate with excellent strength characteristics. |
Physical Characteristics: |
Geologic Name: Anorthosite
Colour: Black
Major Minerals: Feldspar and Pyroxene
Specific Gravity: 2.824
Absorption: 0.25%
Petrographic Number: 101.2 |
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Range of Sizes: |
1" Landscape Stone
1/2" x 1/4" Concrete Stone
1/4" Clear Large Grit
415 Black Grit
Concrete Sand
-1/4" Screenings
Masonry Sand
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