How stone bath pieces are made
Marble and soapstone bath pieces start as blocks or offcuts. A tumbler or dispenser is turned or core-drilled, a soap dish and tray are cut and hollowed on a router or by hand, and the surface is honed or polished. Many workshops fill natural fissures and pits with coloured resin before polishing. A dispenser body then has a hole drilled for the pump, and the piece is sealed. The ODOP list names Agra for stone and marble handicrafts and Sirohi for marble articles; Jaipur is a Town of Export Excellence for handicrafts, which includes stone. None of these sources names bathroom accessories as a product.
Stone is a natural material, so two problems run through every order: a vein can look like a crack and a crack can hide in a vein, and no two blocks give the same colour. Indoor marble décor such as bowls and boxes is covered on marble and stone décor. This page is about stone that lives wet.
What we check on marble and stone bath accessories
| Check | How it is checked | What fails |
|---|---|---|
| Cracks versus veins | Wipe the piece with water and watch as it dries; run a fingernail across the line; tap lightly | A line that stays dark after drying, catches a nail or sounds dull |
| Resin filling | Raking light and a magnifier across polished faces; look for a different sheen | Large or badly coloured fills, fills that have shrunk or lifted, fills on a crack that runs through |
| Sealer and stain resistance | Drops of liquid soap, oil and coffee on a sample piece, left for the time in the plan (for example 24 hours) and wiped off | Dark ring or stain that will not wipe away |
| Vein and colour match | Set pieces placed together against the master and the agreed colour range | Strong vein, spot or colour difference between pieces sold as one set |
| Drilled holes | Fit the pump; look closely around the hole and inside the bore | Spalling or micro-cracks at the hole edge; off-centre bore that thins one wall |
| Inlay | Raking light along inlaid pieces; light fingertip pressure | Gaps, lifting pieces, adhesive smears, missing stones |
| Base and weight | Weigh against the approved sample; check felt pads and flatness on a glass sheet | Rocks on a flat surface, missing pads, weight far from the sample |
Common defects and their classes
| Defect | Typical class |
|---|---|
| Crack through the piece, or a piece broken and glued | Critical |
| Crack running from a drilled hole | Major |
| Stain left after the sealer test | Major |
| Colour or vein clearly outside the agreed range | Major |
| Lifting or missing inlay piece | Major |
| Visible resin fill on a front face | Minor or major, as the buyer sets |
| Missing felt pad; small polish marks | Minor |
Cracked marble is a finding we have recorded on furniture: in Sample 04, two black marble table tops had cracks and were set aside for replacement. The same wet-and-dry method applies to small bath pieces.
Rules that apply to stone bath pieces
- General safety. Under the EU GPSR and UK general product safety law, the duty is that the product is safe in normal use. A heavy stone tray with a sharp edge or a dispenser that cracks when the pump is pressed is a safety issue, not only a looks issue.
- Sealers and coatings. Ask the supplier which sealer and resin are used. Buyers selling in California check for Prop 65 listed substances; EU buyers ask for a REACH SVHC statement.
- Crates. Heavy stone is often crated in wood. Crates must be heat-treated or fumigated and marked under ISPM 15.
Packing stone for a container
Stone breaks from its own weight. A marble tray in a thin carton can survive the drop test and still crack when cartons are stacked six high. We check foam or moulded pulp on all corners, that each piece is held tight so it cannot slide, carton strength suited to the gross weight, and the weight marked on the master carton. Heavy cartons should be loaded on the floor of the container, never on top of glass or ceramic. Container loading supervision checks the stacking on the day.
What to put in your purchase order
- Stone type and finish (polished, honed), with a colour and vein range shown by limit samples.
- Whether resin filling is allowed, where, and how large.
- Sealer type and the stain test: substances, duration and pass rule.
- Dispenser hole size and minimum wall thickness around it.
- Felt pads, carton grade, foam and crate type, and gross weight per carton.
Stone bath sets often ship with marble-top furniture from the same exporter; see marble and stone top furniture.