Photo source: Polycor
Polished finish.
Compare the producer’s sample photographs and confirm the current range and finish.
Material sources
Polycor identifies American Mist as the fleuri cut of American Black from the same quarry.
Black granite with swirling white veining from Elverson, Pennsylvania. American Mist is the cross-cut selection of the American Black quarry material.
- Listed supplier
- Polycor, Inc.
- Quarry / operation
- American Black Quarry
- Location
- Elverson, Pennsylvania
- Color families
- Black, White
- Listing source
- Producer documentation · source checked 29 Sept 2026
- Photograph
- Sourced photograph · checked 2026-09-29
No verified MSHA association recorded.
Research details
The producer documents the quarry source; an exact MSHA permit association has not been verified for this selection.
Independent source checks
- U.S. material origin
- VERIFIED
- Material identity
- VERIFIED
- Producer relationship
- VERIFIED
- Quarry relationship
- VERIFIED
- Quarry location
- UNKNOWN
- Operating record
- UNKNOWN
- Photo source
- VERIFIED
- Photo permission
- PENDING
- Technical data
- UNKNOWN
Each check stands on its own. A photo or coordinate review does not change a confirmed material identity or producer relationship. Operating records do not guarantee current inventory.
Related producer groups
PolycorQuarry origin
American Black Quarry
The material’s relationship to this quarry operation is confirmed. Its individual quarry sites are still being checked.
Ask the supplier about current availability, material range, fabrication and test data for your application. A listing or MSHA status does not establish supply readiness.
Polycor documents the named material, U.S. origin and quarry source. An individual supplying MSHA permit has not been assigned to this selection.