Vermont Verde Antique Serpentine - The beauty of marble, the durability of granite.
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Vermont Verde Antique Technical Information and Specifications

Vermont Verde Antique while having the “look” of marble is actually a "serpentine" and classified as a hydrous magnesium silicate. With the hardness and durability of most granite, and its low absorption rate and high flexural strength, it is an excellent choice for both interior and exterior uses. 

Serpentine is a major rock forming mineral and is found as a constituent in many metamorphic and weathered igneous rocks. Serpentine’s structure is composed of layers of silicate tetrahedrons linked into sheets; this structure is what gives Verde Antique its high flexural strength rating.

Vermont Verde Antique is the commercial name for the serpentine “marble” derived from highly sheared ultramafic rocks that have been rewelded and metasomatized by the process of serpentinization.  These ultramafic bodies are now recognized as segments of ancient oceanic crust that became part of the eastern North American continent during the Taconian orogeny. This is considered to be middle Ordovician in age, around 450 million years ago.

More deformation and metamorphism took place during the Acadian orogeny around 360 million years ago. This may have resulted in the polishable Vermont Verde Antique serpentine.  
Technical Information English Metrics Test Method
Absorption by Weight,%
0.15
0.15 (C97)
Density, Lbs/Ft3 (Kg/m3)
179
2,867.3 (C97)
Compression Strength, psi (MPa) 26,124 180.29 (C170)
Abrasion Resistance, Hardness 110 N/A (C241)
Flexural Strength, psi (mpa) 4178 33.37 (C880)
Download Tech Info PDF
Our Architectural Technical Information Kit contains the information on this page, LEED information, a listing of our installations, and fabrication facility capabilities in one convenient PDF file.
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Vermont Verde Antique LLC      

Quarry Address:
Quarry Hill Road, Rochester, VT 05767  
Mailing Address: 2561 Sugar Hollow Road, Pittsford, VT 05763
Phone: 802-767-4421    
Fax: 802-767-4423

Email: info@vtverde.com
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