Photo source: Polycor, Inc.
Polished finish. Confirm the current range and finish with the supplier.
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.
Source checked 2026-09-29.
Black stone with white veining from the American Black Quarry in Elverson, Pennsylvania. Cutting direction changes the appearance: American Black emphasizes linear veining, while the cross-cut American Mist selection reveals a more swirling pattern.
- Listed supplier
- Polycor, Inc.
- Source name
- AMERICAN BLACK® granite
- Quarry / operation
- Polycor (producer range; individual quarry unconfirmed)
- Location
- Pennsylvania
- Color families
- Not listed
- Listing source
- NSI catalogue · source checked 29 Sept 2026
- Photograph
- Sourced photograph · checked 2026-09-23
MSHA associations under review (1)
Possible mine-record matches are research leads. They do not establish a supplying quarry or change the verified origin shown above.
American Black Quarry · Mine ID 3605508 · Recorded status: Active
Snapshot: 25 September 2026. Mine source record 3605508 · Look up this ID at MSHA · Status effective 10 March 1976
Related producer groups
PolycorOrigin evidence
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.
Names and color tags are sourced from NSI. Photograph sources and reuse terms are recorded separately. Quarry matches can be provisional.