Grey Fossil Stone is a study in geological elegance — towering metallic-grey forms shaped by deep metamorphic forces and refined into softly rounded monoliths. Often mistaken for Fossil Wood due to its layered appearance, Grey Fossil is actually gneiss, one of the most advanced metamorphic rock types. Extreme heat and pressure have forged its signature structure: alternating bands of blocky feldspar crystals and fine, plate-like mica layers that create subtle striping, mineral shimmer, and a calm, architectural presence unlike any other hardscape stone.
Under directional light, the mineral bands flash with a cool silver glint while valleys sink into charcoal shadow, enhancing the stone’s sculptural relief and three-dimensional depth. Under diffused top lighting, Grey Fossil softens into a smooth metallic gradient — perfect for minimalist Iwagumi concepts, mountainous ridge scapes, paludarium backdrops, and any layout where clean form and quiet drama take center stage. Submerged, its tones deepen toward steely grey; in terrariums, its dry surfaces reveal matte mica textures that read ancient and refined.
Compose as you would with monumental towers: begin with your tallest statement piece, then stair-step medium stones forward to establish perspective and natural paths. Use smaller accents to bridge height transitions and strengthen geological flow. Pale sands amplify sparkle and contrast, while darker substrates create immersive depth and gallery-style calm. Paired with fine-leaf plants or mosses, Grey Fossil delivers striking contrast without overwhelming the greenery.
Available Sizes
4.4 lb (2 kg) Nano Bag
11 lb (5 kg) Nano Box
24 lb (11 kg) Standard Box
46 lb (21 kg) Mega Box
Available per pound as well
Why You’ll Love It
✓ Metallic grey tower stones with monolithic forms
✓ Advanced metamorphic banding with natural mica shimmer
✓ Excellent for building depth, paths, and layered cliff structures
✓ High-impact stone with refined, architectural presence
✓ Creates remarkable contrast with plants and wood
✓ Suitable for aquariums and terrariums
Details
Color: Metallic grey
Stone Sizes: Mixed stones approx. 1–12 in (3–30 cm)
Texture: Highly textured, monolithic formations with rounded shapes and mineral banding
Composition: Metamorphic gneiss with feldspar crystal layers and mica striping
Atmosphere: Clean, monumental, high-depth landscapes
Setup & Care
Pre-wash: Rinse thoroughly and gently scrub before use
Placement: Lay substrate or LandForms beneath stones to protect the glass
Mixing: Secure stacked or layered arrangements with ScapeBound for stability
Clearance: Keep a small distance from aquarium glass for easy maintenance access
Water Chemistry: May slightly raise pH and water hardness — manage with routine water changes using RO/soft water or with water softeners if needed
Safe for fish, shrimp, and all aquatic and terrarium animals.
