Black - Quartzite
United States
Item Details
Quarry Location:
Mosinee, Marathon County, Wisconsin
Density:
189.3 pcf ASTM C97-96
Flexural Strength:
2,910 psi ASTM C99-87
Compressive Strength:
22,710 psi ASTM C170-90
Recommended Usage:
Countertops, monuments, mosaic, exterior - interior wall and floor applications, fountains, pool and wall capping, stairs, window sills
Finishing Surface:
Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Tumbled
Additional Names:
Mosinee Gneiss,Aqua Grantique
Description:
GEOLOGICAL DESIGNATION: Gneiss/Amphibolite
MATERIAL CLASS: Metamorphic
COLOR RANGE: Dark green to black, may contain rust coloring, white or green veining
FINISHES: Brushed, polished, bush-hammer, honed, shot-blast, tapestry and thermal
SIZES: Quarried/produced according to specifications
TECHNICAL INFORMATION*
Test Method - American Society for Testing and Materials (ASTM)
Dry Density 189.3 pcf ASTM C97-96
Bulk Specific Gravity 3.03 ASTM C97-96
Absorption 0.00% ASTM C97-96
Modulus of Rupture 2,910 psi ASTM C99-87
Compressive Strength 22,710 psi ASTM C170-90
Freeze-Thaw Weight Loss <0.5% ASTM C67-94
Mohs Hardness 7
* Note: The ASTM results above are for reference only and are averages representative of recent tests.
Because stone is a natural product variations can occur.
CHEMICAL PROPERTIES:
Coarse-Grained Plagioclase-Hornblende Gneiss Fine-Grained
--Plagioclase-Feldspar 58%
Hornblende 40%
Magnetite 2%
--Quartz-Hornblende Gneiss
Quartz 50%
Hornblende 30%
Silicate 15%
Iron-Oxide 2%
Feldspar 3%