Material source record

Unfading Mottled Green & Purple Slate

Source checked 28 Sept 2026

Back to the stone
Unfading Mottled Green & Purple Slate natural cleft finish.
View producer photographsOpen sample photograph

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

Material sources

Material catalogue

Vermont origin, mottled green/purple color, four named finishes and interior/exterior applications.

Weeksville Heritage Center — quarry origin

Producer explicitly attributes the named slate blocks to its Eureka Quarry in North Poultney, Vermont; describes natural-cleft fabrication.

Weeksville Heritage Center — project and photo credits

Project uses the named slate. Architecture: Caples Jefferson Architects. Photography: Nic Lehoux; images courtesy Caples Jefferson Architects.

Dartmouth College, Arthur Irving Institute

Named slate project; architecture by Goody Clancy. Applications include fireplace surrounds, furniture/signs and sculpings.

Unfading classification and color selection

Producer identifies this selection as unfading; the and spelling is a search variant, not another material.

A Vermont slate combining green and purple in a naturally mottled pattern. Vermont Structural Slate identifies Eureka Quarry as the source for its Weeksville Heritage Center installation and describes the material as unfading.

Listed supplier
Vermont Structural Slate
Quarry / operation
Eureka Quarry
Location
North Poultney, Vermont
Color families
Green, Purple / lilac
Supply route
Custom architectural slate; natural cleft, honed, cascade and textured finishes; cut-to-size pieces, flooring, paving, wall cladding, countertops and roofing.
Listing source
Producer documentation · source checked 28 Sept 2026
Photograph
Sourced photograph · checked 2026-09-28

MSHA: Intermittent · Eureka Quarry · Permit 4300059

MSHA snapshot: 25 September 2026. MSHA source · Status effective 9 May 2025Regulatory classification; confirm current supply separately.Permit record

Independent source checks

Material identity
VERIFIED
Producer relationship
VERIFIED
Quarry relationship
VERIFIED
Quarry location
VERIFIED
Operating record
VERIFIED
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.

Documented capabilities

Available finishes
Natural cleft; Honed; Cascade; Textured

Source

Cut to size
Yes

Weeksville case study describes blocks split, thickness-calibrated and cut to geometric shapes.

Source

Paving
Yes

Source

Dimensional stone
Yes

Source 1 · Source 2

Related producer groups

Vermont Structural Slate / James River Slate

Other operation records to check

Related records identified during source research. These links do not establish replacement permits, equivalent materials or available supply.

Eureka Quarry · MSHA 4300059 · Intermittent

Source-described uses

Flooring · Landscape & site stone · Cladding & exterior walls · Countertops · Roofing

Producer documents interior flooring, exterior paving, stair treads, wall cladding, countertops, fireplace surrounds, roofing and landscape uses.

Application source

Quarry origin

  • Eureka QuarryRutland County, VermontOperator: Vermont Structural Slate Company Inc

Known sources; confirm the quarry and selection for your order.

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 producer material page
Supplier technical resources

The producer offers ASTM test results on request. No numerical design values or current dimensional limits are published here.

Named material and Vermont origin verified from the producer. Eureka Quarry relationship is producer-specific evidence from the Weeksville case study; MSHA administrative status is independently sourced and does not guarantee current stock.