American stone for architects and designers.

Material source record

Rainbow®

Source checked 22 Sept 2026

Back to the stone
Rainbow®: Polished finish.

Photo source: Coldspring

Polished finish. Confirm the current range and finish with the supplier.

Rainbow®: Morton Gneiss specimen from the Cold Spring Granite Company quarry at Morton, Minnesota. Quarry and geological records connect this material with Rainbow; the photo is not labelled with the trade name and does not represent a current lot. Image resized and re-encoded for the web; cards crop to fit.
Morton Gneiss specimen from the Cold Spring Granite Company quarry at Morton, Minnesota. Quarry and geological records connect this material with Rainbow; the photo is not labelled with the trade name and does not represent a current lot. Image resized and re-encoded for the web; cards crop to fit.James St. JohnCC BY 2.0
View producer photographsOpen sample photograph

Polished finish.

Compare the producer’s sample photographs and confirm the current range and finish.

Listed supplier
Coldspring
Quarry / operation
Coldspring / Cold Spring Granite Company (producer range; individual quarry unconfirmed)
Location
Minnesota
Color families
Multicolor
Listing source
NSI catalogue · source checked 22 Sept 2026
Photograph
Sourced photograph · checked 2026-09-23

MSHA: Abandoned · Historical mine ID 2100755

Historical regulatory status; confirm current material availability with the producer.

MSHA record details

Rainbow Quarry

Snapshot: 25 September 2026. Mine source record 2100755 · Look up this ID at MSHA · Status effective 31 July 2026

Regulatory classification; confirm current supply separately.

Documented historical association; confirm the current supplying quarry.

Association reviewed: 29 September 2026
Mine source record
Earlier MSHA research notes

Historical mine record · supply needs confirmation

MSHA reports this operation as Abandoned. Current stone availability and the supplying mine record need confirmation; this status does not establish that the material is unavailable.

Related producer groups

Coldspring

Origin evidence

Extraction country
USA — verified[1][2][3][4][5][6]
Extraction state
Minnesota — verified[1][2][3][4][5][6]
Quarry / operator
Coldspring / Cold Spring Granite Company (producer range; individual quarry unconfirmed)[1][2][3][4][5]
MSHA Mine ID
2100755 (historical association)[5][6]
Sources (6)
  1. Source 1 · extraction country, extraction state, quarry / operator
  2. Source 2 · extraction country, extraction state, quarry / operator
  3. Source 3 · extraction country, extraction state, quarry / operator
  4. Source 4 · extraction country, extraction state, quarry / operator
  5. Source 5 · extraction country, extraction state, quarry / operator, msha mine id
  6. Source 6 · extraction country, extraction state, msha mine id
Confirm before specifying

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.

Open NSI listing & sample

Names and color tags are sourced from NSI. Photograph sources and reuse terms are recorded separately. Quarry matches can be provisional.