Atomic Arrangement
Limestone is a rock, composed mainly of the mineral calcite.
A pumice rock is considered a rock because it is composed of multiple minerals, mainly feldspar and quartz. Minerals are the building blocks of rocks, so pumice is classified as a rock rather than a single mineral.
Sulfur is the yellow mineral that was used in the past to make gunpowder and is now mainly used to prepare sulfuric acid.
Galena is in the sulfide group of minerals.
Marble is not a mineral; it is a metamorphic rock composed primarily of calcite or dolomite crystals. Minerals are naturally occurring inorganic substances with a specific chemical composition and crystalline structure, whereas marble is a rock made up of minerals.
Limestone is a rock, composed mainly of the mineral calcite.
Thorium is mainly found in India.
Coal belongs to the mineral group called organic minerals because it is primarily made up of organic matter, mainly carbon along with small amounts of other elements.
Aragonite is a carbonate mineral it is a polymorph of the more common mineral calcite, it is mainly found in animal's shells.
Stemware is unnecessarily formal. But mainly because it breaks too easily.
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Mainly by giving them tax breaks.
thorium
Quartz is predominate.
A sapphire gem is mainly composed of the mineral corundum and other trace mineral impurities that give it its color.
The ancient Sumerians, and then the Babylonians counted in sixties. This was mainly because 60 is evenly divisible by many more numbers than 10 or 100.
Honey is considered a homogeneous mixture because it has a uniform composition throughout, with its components (mainly sugars like glucose and fructose) spreading evenly in the mixture.