Serpentine (often marketed as marble)
Vermont Verde Antique
Vermont Verde Antique is a dark green serpentine stone quarried in the Green Mountains of Vermont. It is a hydrous magnesium silicate, occurring as isolated deposits within bedrock of schist and phyllite. It features rich green tones and dramatic natural movement, often with white mottling or veining, and takes a high polish.
- Origin
- Vermont, USA
- Quarry
- Rochester, Windsor County, Vermont, USA
- Mohs hardness
- Hardness and durability comparable to most granites (Mohs 6-7, though not explicitly stated for VVA, serpentine typically ranges from 3-6).
- Water absorption
- Low absorption rate. Harder and less porous than many types of granite.
- ASTM spec
- Classified as a serpentine, the stone industry often considers it a type of marble and follows ASTM standards for its manufacture. Abrasion Resistance, Hardness 110 N/A (C241). Flexural Strength, psi (mpa) 4178 (33.37) (C880).
- Installed price
- $100+ (Reddit user mentions at least $100/sq ft installed. General granite installed costs can range from $75-$135+).
- Slab price
- $53.90+ (StoneTrash lists a Verde Antiqua Marble slab at $53.90/sq ft. Some sources mention pricing options available upon request).
- Finishes
- Polished, Honed, Brushed
- Applications
- Countertops, flooring, wall cladding, interior and exterior applications, architectural elements.
- USA distributors
- New York Stone, Vermont Marble and Granite, TM Supply, Marble Trend.
- Maintenance
- Very durable. It will scratch, but scratches are not always noticeable. Easy to care for. Takes a high polish. Has the warmth and look of marble but is harder and less porous.