Jarrah

Botanical name: Eucalyptus marginata
Grows in: South-western Australia;

Hardness/Janka: 1910

General Characteristics: Heartwood is light red to dark red when first cut turning a rich mahogany-like hue on exposure; distinct from the narrow pale sapwood. Texture moderately coarse; grain is commonly interlocked or wavy, sometimes curly; without distinctive odor or taste. Gum veins or pockets are a common defect.

Working Properties: Because of high density and irregular grain the wood is difficult to work with hand and machine tools; blunting of cutters is moderate; gluing is good.

Durability: Heartwood is rated as very durable and highly resistant to termite attack. Reported to be resistant to marine borer attack.

Preservation:Rated as extremely resistant to preservative treatments (heartwood).

Uses: Dock and harbor work and other heavy construction, flooring, railroad crossties.