Fossil Brown Limestone 18x18 natural stone tile with a polished surface, showcasing earthy brown tones and fossilized patterns.

Fossil Brown Limestone 18x18 Polished Tile

Name: Fossil Brown Limestone 18x18 Polished Tile
Brand: TILE AND MOSAIC DEPOT
SKU: FB18X18TT0518
Price: 10.95 USD
Availability: InStock

SAMPLES SHIP FREE IN 1 TO 3 BUSINESS DAYS!

$10.95 / sq. ft.

$24.64 / Piece

QUANTITY

SOLD BY: sq ft Minimum: 50 sq. ft.

Sq. Ft.

pieces

Minimum Purchase: 50 sq.ft.

Add 10% more to cover cuts and waste (recommended)

TOTAL PRICE:

—

Order your full amount plus ~10% overage at once, as reorders may vary in tone and veining. Verified shipping damage is covered with clear photos — but small tile quantities (1–5 pieces) are refunded rather than reshipped, so ordering extra protects you.

Fossil Brown Limestone

Fossil Brown limestone — warm brown natural limestone with fossil character in leathered and polished tiles. An earthy stone for floors and walls.

About Fossil Brown Limestone 18×18 Polished Tile

Material Education

Fossil Brown is a rich, warm-toned limestone quarried in the Middle East, prized for its deep chocolate and mocha hues interlaced with naturally embedded fossil impressions and subtle cream veining. The polished finish enhances the stone's earthy depth, bringing out a low-luster sheen that highlights the organic fossil inclusions and tonal variation across each tile. Its dense, sedimentary composition gives it a grounded, tactile quality unlike most marbles or granites.

As a product of nature, each tile will display its own unique arrangement of fossils, swirls, and color shifts — these variations are the hallmark of authentic natural limestone, not imperfections.

About this tile: This 18×18 polished field tile offers a generous format ideal for flooring and feature walls, with the larger surface area showcasing the stone's dramatic fossil patterns to full effect. Its polished face delivers a smooth, easy-to-clean surface while preserving the natural character of the stone.

Design & Inspiration

Fossil Brown's warm chocolate, mocha, and cream palette pairs beautifully with brushed brass or bronze fixtures, dark walnut cabinetry, and soft white or linen wall tones, lending itself naturally to transitional, Mediterranean, and organic-modern interiors. Its earthy depth also complements terracotta accents, aged leather furnishings, and woven natural textiles.

The 18×18 format lays with minimal grout lines across larger floors, creating a sweeping, cohesive surface that amplifies the stone's fossil-rich storytelling. On feature walls or fireplace surrounds, the polished surface adds a refined, gallery-like quality without feeling cold or stark.

Popular design combinations: Fossil Brown 18×18 floor tile paired with a cream travertine baseboard and brushed brass plumbing fixtures for a warm, spa-inspired bathroom. Explore the full Limestone collection for coordinating sizes, and browse more natural stone tile for complementary looks.

Ships in 2–3 Days

Free Sample Shipping

Nationwide Delivery

Premium Natural Stone

Secure Packaging

Fossil Brown Limestone is a naturally dense sedimentary stone sourced from the Middle East, celebrated for its warm chocolate and mocha tones punctuated by genuine fossilized shell and coral impressions embedded over millions of years. The 18×18 format provides a generous canvas that lets the stone's organic artistry speak at full scale.

The polished finish on this tile enhances the natural color depth and brings a smooth, reflective quality to the surface that makes fossil details pop with clarity. Large-format straight-set installation minimizes grout lines and creates a seamless, flowing floor or wall surface that feels both luxurious and grounded.

Fossil Brown 18×18 polished tile is an excellent choice for bathroom floors, entryways, kitchen floors, and accent walls where its unique fossil character can be appreciated up close. As a clearance or specialty item, we recommend ordering samples before committing to a full project to confirm the color and variation suit your design vision.

Material	Natural Limestone
Color	Chocolate Brown, Mocha, Cream
Type	Field Tile
Tile Size	18 × 18 inches
Finish	Polished
Sold By	Per Sq. Ft.
Application	Floor & Wall (Indoor)
Shade Variation	V3 — Moderate Variation
Design	Transitional / Mediterranean / Organic Modern
Country of Origin	Europe

✓ Bathroom FloorWarm tones create a spa-like retreat

✓ Entryway & FoyerDramatic fossil patterns make a bold first impression

✓ Kitchen FloorDurable surface handles high-traffic areas well

✓ Fireplace SurroundFossil details shine as a polished feature wall

— Wet or Outdoor UsePolished limestone can be slippery when wet; seal thoroughly and use non-slip mats in wet zones

— Unsealed InstallationMust be sealed before grouting and use to protect porous surface from staining

Free Shipping: This product ships at standard freight rates calculated at checkout based on your location and order size.

Processing & Delivery: Orders are processed within 2–3 business days. Large orders ship via LTL freight — curbside delivery only. An adult must be present to sign for delivery. Estimated transit: 2–10 business days after shipment.

30-Day Returns: Uninstalled tile may be returned within 30 days of delivery. Inspect all tile carefully before installation — installed tile cannot be returned or exchanged. Samples are final sale.

Exclusions: Free shipping does not apply to Hawaii, Alaska, U.S. territories, or international addresses. Additional charges may apply for remote delivery areas.

Sealing: Fossil Brown Limestone is a porous stone that must be sealed before installation and grouting. Apply a penetrating stone sealer and allow full cure time before exposing to moisture. In bathrooms and kitchens, reseal every 12–18 months to maintain stain resistance. The polished finish offers some surface density but does not eliminate the need for sealing.

Cleaning: Clean with a pH-neutral stone cleaner diluted in warm water and a soft mop or microfiber cloth. Avoid acidic cleaners (vinegar, citrus-based products), bleach, and abrasive scrubbers, which will etch and dull the polished surface. Wipe up spills — especially oils, wine, and acidic liquids — promptly to prevent staining. Avoid steam cleaners on polished limestone.

Installation: Use a white or gray polymer-modified thinset mortar appropriate for natural stone. Back-butter each tile in addition to applying thinset to the substrate to ensure full contact and prevent lippage on the 18×18 format. Use tile spacers sized at least 1/16" to maintain consistent joints. Allow thinset to cure fully before grouting, and use a sanded grout matched to the stone's warm tones. Avoid installing over substrates with excessive flex or deflection.

Important: Inspect all tile before installation. Variations in color, veining, and texture between pieces are natural characteristics of genuine stone — not defects. Order 10% overage for cuts, waste, and future repairs. Tile & Mosaic Depot specialists are available M–F 8:30AM–5PM PST at 855-797-8453.

Why Tile & Mosaic Depot

The natural stone specialists

Quarry-Direct Pricing

We buy direct from the source and skip the middleman, so you get showroom-quality stone for less.

Huge Stone Selection

Marble, travertine, limestone, porcelain and more — thousands of tiles, mosaics, and slabs in one place.

Expert Stone Support

Talk to real natural-stone specialists, M–F 8:30AM–5PM PST, at 855-797-8453 or via live chat.

Easy 30-Day Returns

Uninstalled tile can be returned within 30 days. Order with full confidence.

Every order is packed by hand and shipped with care from our U.S. fulfillment centers. Here's exactly what to expect from checkout to delivery.

Processing & Transit
In-stock orders are processed within 2–3 business days. Most tile and stone orders ship via scheduled LTL freight and typically arrive 2–10 business days after dispatch, depending on your destination. You'll receive tracking and carrier details by email as soon as your order leaves our warehouse.

Freight Delivery

Curbside delivery. The carrier unloads at the curb or driveway nearest your address; delivery does not include moving materials indoors or into a garage.
Scheduled appointment. The freight company contacts you directly to arrange a delivery window.
Signature required. An adult (18+) must be present to inspect and sign for the shipment.
Clear access. Please ensure the delivery site is reachable by a freight truck and free of obstructions.

Free Shipping
Free curbside shipping is available on qualifying mosaic and molding orders over $1,999 within the continental U.S. Tile, porcelain, and other product types ship at standard freight rates calculated at checkout. Free shipping does not apply to Hawaii, Alaska, U.S. territories, or international addresses.

Inspection & 30-Day Returns
Please inspect every shipment before signing the carrier's delivery receipt, and note any visible damage, shortage, or tampering directly on the receipt. Report concerns within 3 calendar days at sales@tileandmosaicdepot.com. Uninstalled tile may be returned within 30 days of delivery; installed material and samples are final sale.

Need a hand? Our team is glad to help — call (855) 797-8453 or email sales@tileandmosaicdepot.com, Monday–Friday, 8:30 AM–5 PM PST.

Product & Installation Guidance

Natural stone is a product of the earth — every piece is one of a kind. A little planning ensures your finished installation looks its best and lasts for decades.

Natural Variation
Color, veining, texture, shade, movement, finish, and sizing vary from piece to piece. Product photos and samples are a general reference and may not match the exact material you receive. These variations are inherent characteristics of natural stone — they are part of its beauty, not defects.

Before You Install

Order roughly 10% extra to allow for cuts, waste, and future repairs.
Blend tiles from multiple boxes as you work to achieve the most natural, balanced appearance.
Dry-lay and inspect the full layout before setting a single tile.
Installation constitutes full acceptance of the product, so review everything carefully first.

Sealing & Care
Natural stone should be sealed with a quality penetrating sealer before and after installation, and re-sealed periodically in wet or high-traffic areas. Clean only with a pH-neutral stone cleaner; avoid acidic products, bleach, vinegar, and ammonia, which can permanently etch the surface. Outdoor installations may weather or change tone over time with exposure.

Responsibility
Tile & Mosaic Depot is not responsible for improper installation, labor costs, substrate conditions, product misuse, or damage from improper handling, sealing, maintenance, or harsh chemicals. No claims, returns, or replacements can be accepted on installed material.

California Proposition 65: Some natural stone products contain substances known to the State of California to cause cancer or reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Order a Sample First

Seeing real stone in your own space — under your own light, beside your own finishes — is the best way to buy with confidence. We make it easy and affordable.

How It Works
Samples are just $7.99 each with free shipping, and they ship in 1–3 business days. Sizes vary by material and availability, typically ranging from 3"×3" up to 8"×8". Exact dimensions aren't guaranteed, but every sample is cut from the same material you'll receive in a full order.

What a Sample Shows
Samples help you evaluate the general color, texture, finish, and overall character of a product before committing to a full order. Because natural stone varies from piece to piece, your sample is representative — it may not capture the complete range of variation across an entire lot. For current lot photos, just ask our team.

Good to Know

Samples are final sale — non-returnable and non-refundable.
Ordering a sample before a full purchase is always recommended, especially for natural stone.
Planning a larger or custom quantity? Contact us for a tailored quote.

Questions before you order? Our stone specialists are happy to help you choose — call (855) 797-8453 or email sales@tileandmosaicdepot.com, Monday–Friday, 8:30 AM–5 PM PST.