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Xanthostemon verdugonianus, commonly known as mangkono or Philippine ironwood, is a species of plant in the family Myrtaceae. [2] It is endemic to the islands of the Visayas, Palawan, and northeastern Mindanao. It is valued for its extremely durable and heavy timber. It is threatened by habitat loss.
The common English name hornbeam derives from the hardness of the woods (likened to horn) and the Old English beam, "tree" (cognate with Dutch Boom and German Baum).. The American hornbeam is also occasionally known as blue-beech, ironwood, or musclewood, the first from the resemblance of the bark to that of the American beech Fagus grandifolia, the other two from the hardness of the wood and ...
Ironwood is a common name for many woods that have a reputation for hardness, or specifically a wood density that is denser than water (approximately 1000 kg/m 3, or 62 pounds per cubic foot), although usage of the name ironwood in English may or may not indicate a tree that yields such heavy wood.
At 206.7 square miles (535 km 2), the island of Isle Royale itself is the third largest island in the contiguous United States (after Long Island and Padre Island) and is the fourth largest lake island in the world. Isle Royale National Park has a total area of 894 square miles (2,320 km 2), of which 209 square miles (540 km 2) is land.
Seri ironwood carving. Mexican ironwood carving is a Mexican tradition of carving the wood of the Olneya tesota tree, a Sonora Desert tree commonly called ironwood (palo fierro in Spanish). Olneya tesota is a slow growing important shade tree in northwest Mexico and the southwest U.S. The wood it produces is very dense and sinks in water.
Krugiodendron ferreum, commonly known as the black ironwood or leadwood, is a species of tree in the family Rhamnaceae. It is found in southern Florida, throughout the Caribbean and from southern Mexico to Honduras. [2] Originally described by Martin Vahl, its specific epithet is the Latin adjective ferreus ("iron-like"). [3]
When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ASTM D143) is at 12% moisture content and clear of knots. [3] The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the ...
It is moderately hard and strong. It is used for door and window frames, and carts. Ironwood, Penaga Lilin, Bosneak, Gangaw, Mesua Mesua ferrea: Reddish brown [5] 960–1,060 kg/m 3: 1,620–1,790 lb/cu yd [6] Ironwood is durable though it is very hard and is not easily worked. It even resists penetration of nails.