Choosing a sandalwood grinding stone
A sandalwood grinding stone is a flat slab of hard, fine-grained rock, usually granite or basalt, between 10 and 20 cm across. The surface must be abrasive enough to cut wood but fine enough not to shed grit. New stones need seasoning — grind and discard the first session or two.
The stone does half the work, and a bad one will make you think you have bad wood.
What to look for
| Property | Want | Avoid |
|---|---|---|
| Rock type | Granite, basalt, other hard igneous stone | Sandstone, limestone, anything soft or porous |
| Surface | Flat, matte, finely abrasive | Polished — it will burnish the wood and yield nothing |
| Size | 10–20 cm across | Small saucers; you need room for the circular motion |
| Thickness | Heavy enough to stay put unaided | Thin slabs that slide while you work |
| Edge | A lip or channel to collect paste | Fully flat — the paste runs off the side |
Weight is the underrated quality. A stone you have to hold steady with your other hand makes the whole process harder than it should be.
Seasoning a new stone
New stone sheds grit. Grind a session’s worth of sandalwood and throw it away — twice, if the stone is coarse. This wears the sharpest surface points down and takes off loose material. After that the stone will keep working for decades.
Care
Rinse immediately after use — dried paste is much harder to remove. Dry fully before storing, because a damp stone left in a cupboard will grow mould in the residue. If the surface eventually polishes smooth from years of use, it can be re-roughened by grinding against another piece of stone.
Related
- Grinding sandalwood paste from a stick — the method it is for
- How to make sandalwood paste
Common questions
- What is the stone called?
- Names vary by region — sana, sahan, and in Hindi chandan ghisne ka patthar, "the stone for rubbing sandalwood". They describe the same object, a flat abrasive slab, sometimes with a shallow channel or lip to collect the paste.
- Can I use any flat stone?
- It needs to be hard, fine-grained and non-porous. Granite and basalt work. Avoid sandstone and limestone, which are soft enough to shed grit into the paste, and avoid anything porous, which will hold moisture and grow mould.
- Is there a machine for this?
- Motorised sandalwood grinders exist and are used in temples preparing large ritual quantities. For domestic quantities they are not worth it, and the heat they generate drives off volatiles. Powder is the sensible shortcut, not a machine.
- Do I need to seal or oil the stone?
- No. Sealing it would defeat the abrasion you need. Rinse with water only, never soap, and let it dry fully between uses.
Sources
- Top 10 Uses of Pure Sandalwood in Temples, Rituals, and Spiritual Practicesjaigurudevupkaranbhandar.comCited for: Use of a circular stone for preparing ritual paste.