A slow scent ritual, carved in stone Honō is a passive diffuser — a natural black lava stone resting on a base of marble or travertine. Add a few drops of essential oil to the porous stone and the scent drifts out on its own, no cords, no heat, no noise. It sits quietly on a nightstand, desk, or bathroom shelf like a small piece of sculpture. A calm ritual for a slow home. Why you'll love it Passive aromatherapy — no cords, no heat, no water; just oil and stone A porous lava stone holds your essential oil and releases the scent slowly through the day A sculptural marble base that reads like decor, not a gadget Choose from three natural stones — each one unique in veining and tone The details One passive stone diffuser — marble or travertine base with a natural lava stone Material: natural marble / travertine base with a porous black lava stone Size: approximately 3.9" × 3.9" × 3.1" How it works: add a few drops of essential oil to the lava stone — the porous rock holds the scent and releases it slowly, with no heat or electricity Care: wipe the marble base with a soft, dry cloth; refresh the stone with new oil as the scent fades Natural stone — veining and tone vary slightly, so every piece is one of a kind Choosing your stone Portoro — deep black marble with dramatic gold veining; the boldest, most luxe option Emerald Green — soft green marble with a calm, grounding feel Red Travertine — warm, earthy terracotta tones for a natural, organic look Shipping & delivery Free shipping on all U.S. orders Natural stone — carefully packed to protect every edge Estimated delivery: 12–20 business days Tracking number emailed as soon as it ships Our promise 30-day guarantee — if it arrives damaged or incorrect, we make it right Photo-based claims — no need to return anything Every order checked before it leaves Questions? [email protected] — we answer within 24h Styling note: set it on a small tray with your oil bottle beside it — a quiet ritual corner on a nightstand or bathroom shelf.