Jarrah - also known as Swan River Mahogany (Scientific name: Eucalyptus Marginata ), is a hardwood timber species native to South Western Australia. It is very heavy, even for a hardwood, with an air-dry density of 820kg per cubed meter. In comparison River Banksia has an air-dry density of 560kg per cubic metre. As well as being used in the construction industry, jarrah, also known as Swan River Mahogany, is used to make beautiful quality furniture. |
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Eucalyptus Marginata |
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Green density: |
1170kg per m3 |
Air dry density: |
820kg per m3 |
Basic density: |
670kg per m3 |
Colour: |
Heartwood is dark red, while regrowth is pinkish-red. Sapwood is pale yellow. |
Texture: |
Coarse but even. |
Grain: |
Slightly interlocked. |
Durability Class: |
2-3 for decay and also 2-3 (about 15 years) for decay plus termites. Termite resistant. |
Hardness: |
Green 5.7, Dry 8.5 |
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