Magnesium Carbonate (magnesite)
A standard material in Glazecalc's library: its oxide analysis, unity contribution and hazards.
What it is
- Kind
- Fluxes
- Formula
- MgCO₃
- Similar materials
- Light Magnesium Carbonate
- Source
- Theoretical formula
MgCO₃, the mineral magnesite. Slightly soluble. Potters usually buy light magnesium carbonate, which has less MgO: see Light Magnesium Carbonate.
Oxide analysis and unity formula
Glazecalc has the analysis of Magnesium Carbonate (magnesite) as moles of each fired oxide per formula. The unity contribution is the moles of each oxide in the amount of Magnesium Carbonate (magnesite) that holds 1.0 mole of flux, which is how Glazecalc adds it into a recipe's unity formula.
| Oxide | Moles | Unity contribution |
|---|---|---|
| MgO | 1 | 1.000 |
- Equivalent weight
- 84.32
- Fired weight
- 40.3
- Loss on ignition
- 52.2%
The equivalent weight is the grams of Magnesium Carbonate (magnesite) that hold 1.0 mole of flux. The fired weight is what is left of that after firing.
Hazards and safety
Hazards: Not classified (CTM SDS 58); less than 1% quartz; avoid breathing the dust.
Use it in a recipe
Add Magnesium Carbonate (magnesite) to a recipe in the Glazecalc calculator to see what it does to a glaze's unity formula.