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Merbau wood.
Merbau (Intsia bijuga commonly known as Borneo teak, Johnstone River teak, Moluccan ironwood, Pacific teak) is a species of flowering tree in the pea family, Fabaceae, native to the Indo-Pacific. It ranges from Tanzania and Madagascar east through India and Queensland, Australia to the Pacific islands of Fiji and Samoa. It grows to around 50 metres (160 feet) tall with a highly buttressed trunk. It inhabits mangrove forests. The bark and leaves of the ipil are used in traditional medicines. The tree's timber, called merbau or kwila, is a very durable and termite-resistant wood, making it a highly valued material for flooring and other uses. The wood can also be used to extract a dye. Has an orangish-brown color when freshly cut, which ages to a darker reddish-brown. Color between boards can be highly variable. Merbau can contain a "gold" fleck that runs through the grain, considered to be attractive. Merbau Wood Lumber is used in a wide range of applications; from construction to indoor and outdoor furniture. Merbau wood its high degree of natural durability and strength it is used externally in engineering, construction and marine applications. Merbau wood lumber is also features in backyards as outdoor furniture, and internally in a range of joinery, flooring and other uses.
Volcanic rocks.
Volcanic rocks – are derivatives of magmatic rocks, which are created thanks to the volcanism phenomenon, in the course of which magma solidifies in the form of lava under or on Earth’s surface. The composition of each is different because solidifying lava releases water to the atmosphere therefore, minerals with such compounds will not be created inside it. Volcanic rocks may be created directly from lava (extrusive igneous rocks) or formed by volcanic explosion or aerial expulsion (pyroclastic rock). Even the most minute particles of pyroclastic rock may circulate in the atmosphere for many years and then fall on Earth, most frequently in a solid state. Pyroclastic rocks include volcanic rocks, pumice, volcanic ashes and tuffs.