Black & Fossil Coral Marble Chess Set — 12-Inch | Handmade Natural Stone

This black and fossil coral marble chess set is hand-carved from natural black marble and genuine fossil coral stone — the same rare sedimentary stone used in the 15-inch collection — in a compact 12-inch board that makes the RADICALn fossil coral chess set accessible at $99.90.

12-inch board  ·  32 hand-polished natural stone pieces  ·  King 3 in  ·  No storage box  ·  Free US shipping  ·  30-day returns

What's Included in This Black & Fossil Coral Marble Chess Set

• 1 × 12-inch black and fossil coral marble chess board — hand-cut from natural stone with a black marble frame and alternating black and fossil coral marble squares, solid slab construction, with an attached felt base to protect your table surface
• 32 × hand-carved natural stone chess pieces — 2 Kings, 2 Queens, 4 Bishops, 4 Knights, 4 Rooks, and 16 Pawns — 16 pieces in deep black marble and 16 in natural fossil coral stone — each individually hand-carved to Staunton form and hand-polished to a smooth finish
• Individual felt bottoms for all 32 pieces — a separate felt bottom packet included for every piece, preventing contact scratching during play and storage; the board carries an attached felt base
• RADICALn branded secure fragile packaging — purpose-built for natural stone transit
• Piece replacement service — if any piece is ever chipped or damaged, contact us and we will source a matching replacement from the same fossil coral or black marble variety

No storage box included. For the 15-inch version with a storage box, see the Black & Fossil Coral 15-inch with Storage Box ($172) →

Same Fossil Coral Stone, Compact Size — The Entry Point to the Collection

The fossil coral pieces in this 12-inch set are carved from the same genuine sedimentary stone as the 15-inch collection. Fossil coral forms from the compressed and mineralized remains of ancient marine organisms over hundreds of millions of years. The warm beige-tan surface with dark brown fossil organism patterns is the natural geological record of that process — no two pieces carry the same fossil arrangement. At $99.90, the 12-inch set makes that stone accessible to buyers who want genuine fossil coral in natural stone at the most accessible price point in the RADICALn range.

The 12-inch board is the right choice for specific situations the 15-inch board does not serve as well: a desk or study table where a full 15-inch board would dominate the available space; a bookshelf or side table where a compact natural stone object is more appropriate than a large one; a travel or holiday home where portability and compact storage matter; and as a gift entry point where the recipient is discovering the black and fossil coral color combination for the first time. At $99.90 — $26 less than the 15-inch standard and $72 less than the 15-inch with storage box — it is the most accessible point of entry to genuine fossil coral natural stone in the RADICALn collection.

Built for Desks, Smaller Spaces, and First Introductions to Fossil Coral

On a work desk, home office surface, or study shelf, the 12-inch board occupies natural stone presence without commanding the space the way a 15-inch board would. On a bedside table, a bathroom counter, a coffee table in a smaller apartment, or a bookshelf, it reads as a considered natural stone object rather than a game set demanding attention. For buyers who are drawn to the black and fossil coral combination but are not ready for the 15-inch commitment, the 12-inch set offers the same stone quality and the same handmade craft at a point of entry that carries no risk.

As a gift, it is the right choice when the fossil coral chess set is the right idea but the 15-inch price is too significant — for a birthday gift under $100 for a chess enthusiast who appreciates natural materials, a desk accessory gift for a colleague or boss who plays chess, a Father's Day gift where the gesture matters more than the scale, or a Christmas gift for someone whose home already has a chess set but not a natural stone one. It is also the natural upgrade path for a buyer who already owns the 12-inch and wants to step up to the 15-inch or the storage box version later.

Materials & Craftsmanship — Genuine Fossil Coral and Black Marble, 12-Inch Scale

Fossil coral is a sedimentary stone formed from the compressed and mineralized remains of ancient coral reef organisms — not standard marble in geological classification. The warm beige-tan base color with dark brown fossil organism impressions is the natural surface of the stone; no dyes, pigments, or coatings are applied. The fossil impressions on each piece are genuine preserved marine organisms, unique to the specific section of stone each piece was cut from. The black pieces and board frame are carved from natural black marble — a dense metamorphic stone that polishes to a deep, consistent, reflective surface.

Each board is hand-cut from solid stone and squared by hand. Every piece is individually hand-carved to Staunton form at the 12-inch scale and hand-polished after carving. The 12-inch pieces are smaller than the 15-inch equivalents — the King stands at 3 inches rather than 3.5 inches — but the stone varieties, the carving method, and the felt protection are identical. Because fossil coral varies between stone sections, the specific fossil patterns on your coral pieces will differ slightly from the product photography — your set's fossil configuration is unique.

Specifications

How to Care for Your Black & Fossil Coral Marble Chess Set

• Cleaning: Wipe board and pieces with a slightly damp soft cloth and dry immediately. Fossil coral is a sedimentary stone and slightly more porous than metamorphic marble — avoid leaving moisture on the coral pieces longer than necessary to prevent staining of the warm base tone.
• What to avoid: Never use acid-based cleaners — vinegar, lemon juice, bleach, or standard household products permanently damage both fossil coral and black marble. Never use abrasive cloths or scouring pads on either surface.
• The fossil patterns: The fossil organism impressions on each coral piece are natural surface features of the stone — they cannot be worn away by normal handling but will be permanently damaged by abrasive cleaning.
• Storage: The compact 12-inch size makes this set easier to store than the 15-inch. Store pieces separated in soft cloth bags and keep the board flat. If storing the whole set in a drawer or cabinet, wrap the board in a soft cloth to protect the inlaid stone surface.
• Handling: Natural stone can chip if dropped from height. Contact us if a piece is damaged — our piece replacement service will source a matching replacement from the same fossil coral or black marble variety.

Perfect For

• Desk and home office display — the 12-inch board fits comfortably on a work desk, home office surface, or study shelf without dominating the available space; the fossil coral stone gives the desk piece geological significance
• Father's Day — considered gift under $100 — for a chess-playing father who appreciates natural stone; at $99.90 it delivers genuine fossil coral stone quality at the most accessible price in the collection
• Birthday gift under $100 — for chess enthusiasts, natural material collectors, and geology enthusiasts; the fossil coral story gives the gift scientific interest at a price point that feels appropriate without being extravagant
• Christmas gift — stocking or secondary gift — a premium natural stone chess set that works as a standalone Christmas gift or as the primary gift at the under-$100 tier; arrives in branded secure packaging appropriate for direct gifting
• Graduation — for the chess player moving into a first home, apartment, or dorm; the 12-inch board fits compact spaces that a 15-inch set would not
• Housewarming — compact living — for apartments and smaller homes where a full 15-inch chess set would be too large; the 12-inch board earns a permanent place on a smaller coffee table or side table
• Valentine's Day — a natural, lasting gift under $100 for a partner who plays chess or appreciates geological materials; the fossil coral story makes it more specific and memorable than a standard gift at this price
• Corporate desk gift — for colleagues, bosses, and professional relationships where the gift should be functional, premium, and modest in scale; the 12-inch board fits an executive desk without demanding the surface
• Anniversary — a natural stone gift at an accessible price for a chess-playing couple; the fossil coral stone has permanent geological significance
• New Year self-purchase — the entry-level price for genuine fossil coral natural stone in the RADICALn collection; the most accessible upgrade from a plastic or wooden set
• Buyers upgrading from the 12-inch to 15-inch — for buyers who want to try the black and fossil coral combination before committing to the 15-inch size; the 12-inch is the natural first purchase in this color family
• Thanksgiving — the warm earthy tones of fossil coral suit autumn gifting; a considered natural stone gift at the under-$100 tier for a Thanksgiving host or family member
• Mother's Day — for mothers who collect natural stone objects or appreciate earthy, organic home decor pieces; the compact 12-inch size suits a smaller display surface

Explore the Full Range

• Ready to upgrade to 15 inches?
  • Black & Fossil Coral 15-inch Standard Set ($125.90) →
  • Black & Fossil Coral 15-inch with Storage Box ($172) →
• Want the antique medieval style in fossil coral? See the Black & Coral Antique 15-inch Set ($171.35) →
• Browse other 12-inch sets:
  • Black & White 12-inch ($99.50) →
  • Coral & Red 12-inch ($99.50) →
  • Oceanic Grey & White 12-inch ($99.50) →
• Browse the full collection: All Marble Chess Sets →  ·  All Board Games →

The black and fossil coral marble chess set in the 12-inch size is the most accessible entry point to genuine fossil coral natural stone in the RADICALn collection — the same rare sedimentary stone, the same handmade craft, the same black marble contrast, in a compact board that fits where the 15-inch cannot. At $99.90 with free US shipping and a 30-day return guarantee, it is the natural first chess set in the fossil coral family. If you have questions about the fossil coral stone, how this set compares to the 15-inch versions, or whether the 12-inch board suits a specific space — contact us directly. We know every set we make.