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Olea laurifolia

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Title: Olea laurifolia  
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Subject: Wood, Olea, Black Ironwood, South Africa
Publisher: World Heritage Encyclopedia

Olea laurifolia

Olea laurifolia
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Oleaceae
Genus: Olea
Species: O. laurifolia
Binomial name
Olea laurifolia

Olea laurifolia (Black Ironwood) is a species of flowering plant belonging to the olive family Oleaceae. It is native to KwaZulu-Natal Province, South Africa.

The Guinness Book of World Records lists this tree as the world's heaviest wood, with a specific gravity of 1.49. It is also the one of the world's hardest wood according to the Janka hardness test. The timber has a good abrasion resistance and is very strong. It is an excellent turnery wood and is used for a wide range of decorative items.It is known for its tendency to drown in water unlike other wood materials.

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