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Continued from scan 11
… Homscourt, 12 March 1934.–
In fact, one is dealing with a dolomite of good quality, that is a natural carbonate of lime and magnesia covered with a light crust of copper carbonate.
| Manganese | 0 |
| Phosphorus | 0 |
| Sulphur | 0,09 |
| Copper carbonate | 1,86 |
| Magnesia (MgO) | 19,45 |
| Lime (CaO) | 30,00 |
| Iron oxide (Fe2O3) | 0,90 |
| Alumina (Al2O3) | 0,26 |
| Silica (SiO2) | 1,50 |
| Carbonic acid (CO2) | 46,04 |
Analysis:
This sample is presented in the form of a block of white colour, polished, covered with a little of copper carbonate.
VII.– LIMESTONE CALLED "PHOENICIAN".–
This ore is a slightly altered iron sulphide.
| Arsenic | 0,025 |
| Phosphoric anhydride (P2O5) | 0,093 |
| Magnesia (MgO) | traces |
| Iron oxide (FeO) | 3,34 |
| Iron sulphate (SO4Fe) | 4,69 |
| Iron sulphide (FeS2) | 84,35 |
| Alumina (Al2O3) | 7,29 |
| Silica (SiO2) | 0,20 |
The preceding analysis can be rendered by the following, which expresses the real composition of the sample:
| Arsenic | 0,025 |
| Sulphuric anhydride | 2,45 |
| Total sulphur | 45,96 |
| Phosphoric anhydride | 0,095 |
| Copper oxide (CuO) | traces |
| Magnesia (MgO) | traces |
| Lime (CaO) | 0,30 |
| Iron oxide (Fe2O3) | 58,71 |
| Alumina (Al2O3) | 7,29 |
| Silica (SiO2) | 0,20 |
We note the absence of tin, lead, nickel, of cobalt.
65 figures hard to readstruck struck outadded written in above” jug ditto, and what it repeatsword reading not certain