Photo source: Coldspring
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
Checked 25 September 2026.
Checked 25 September 2026.
Checked 25 September 2026.
Checked 25 September 2026.
Checked 25 September 2026.
Checked 25 September 2026.
Checked 25 September 2026.
Dark, relatively fine-grained granite from Clovis, California.
- Listed supplier
- Coldspring
- Quarry / operation
- quarry location: Clovis, California — Coldspring
- Location
- California
- Color families
- Black
- Listing source
- NSI catalogue · source checked 25 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.
Academy Black · Mine ID 0400231 · Recorded status: Active
Snapshot: 18 September 2026. Mine source record 0400231 · Look up this ID at MSHA · Status effective 23 July 1972
Related producer groups
ColdspringSource-described uses
Landscape & site stone · Sculpture & monuments
Documented hardscape and sculptural examples; checked 25 September 2026. No blanket project-suitability claim.
Application sourceOrigin 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.
Coldspring material-specific summary; full laboratory report not reviewed.
Names and color tags are sourced from NSI. Photograph sources and reuse terms are recorded separately. Quarry matches can be provisional.