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- Dictionarystone/stəʊn/
noun
- 1. hard solid non-metallic mineral matter of which rock is made, especially as a building material: "the houses are built of stone"
- 2. a piece of stone shaped for a purpose, especially one of commemoration, ceremony, or demarcation: "a memorial stone" Similar
verb
- 1. throw stones at: "three vehicles were stoned and torched"
- 2. remove the stone from (a fruit). British
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2 days ago · Limestone ( calcium carbonate CaCO3) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of CaCO3. Limestone forms when these minerals precipitate out of water containing dissolved calcium.
1 day ago · Stonehenge is a prehistoric megalithic structure on Salisbury Plain in Wiltshire, England, two miles (3 km) west of Amesbury. It consists of an outer ring of vertical sarsen standing stones, each around 13 feet (4.0 m) high, seven feet (2.1 m) wide, and weighing around 25 tons, topped by connecting horizontal lintel stones.
4 days ago · Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide ( α- Al 2 O 3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon.
1 day ago · The hardness, brilliance, and sparkle of diamonds make them unsurpassed as gems. In the symbolism of gemstones, the diamond represents steadfast love and is the birthstone for April. Diamond stones are weighed in carats (1 carat = 200 milligrams) and in points (1 point = 0.01 carat).
3 days ago · The meaning of A HEART OF STONE is an inflexible and unfriendly or unkind disposition. How to use a heart of stone in a sentence.
3 days ago · Neolithic, final stage of cultural evolution or technological development among prehistoric humans. It was characterized by stone tools shaped by polishing or grinding, dependence on domesticated plants or animals, settlement in permanent villages, and the appearance of such crafts as pottery and weaving.
4 days ago · Rock Identification Tips. First, decide whether your rock is igneous, sedimentary, or metamorphic. Igneous rocks such as granite or lava are tough, frozen melts with little texture or layering. Rocks like these contain mostly black, white and/or gray minerals.
5 days ago · Mining, process of extracting useful minerals from the surface of the Earth, including the seas. A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure.
4 days ago · A 1.08 carat stone would be described as 'one point oh eight carats.' All else being equal, diamond price increases with carat weight, because larger diamonds are more rare and more desirable. But two diamonds of equal carat weight can have very different values (and prices) depending on three other factors within the 4Cs: Clarity, Color, and Cut.
2 days ago · Kunzite is the light pink to violetish purple variety of the mineral spodumene. It’s found in Afghanistan, Brazil, Madagascar, and the US state of California. The gem was named after pioneering gemologist George Frederick Kunz (1856-1932).
