The SPI Stone Collection
Onyx, marble, travertine, and semi-precious stone — each variety extracted from SPI-owned sources, documented for vein consistency, and available as blocks, slabs, or fabricated elements.
Four Categories. One Supply Chain.
Every stone below is sourced directly — no third-party inventory, no resellers. Filter by family to shortlist for your project.
Onyx
Marble
Travertine
Semi-Precious
14 varieties — Portoro, Arabescato, Bianco C, Calacatta, Statuario, Venatino, Labradorite, Amazonite, Verde Antigua, and more.
Sodalite, Pietra Dorata, Limestone Jerusalem, and Tara — rare geological material supplied direct from extraction at specification volumes.
9 varieties — Orange, Jade, Pink, Extra White, Blue, White, Honey, Black, and Diaspro. Translucent depth, direct quarry extraction.
11 varieties — Classico, Giallo, Navona, Noce, Osso, Rosso, Scabas, Silver, Tabacco, Walnut, and oniciato finishes.
Translucent Stone, Direct Extraction
Rare Marble, Verified Provenance
