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Is coal not a mineral because it has a crystal structure?
No. Coal is not a mineral for two reasons: it lacks a crystal structure and it is organic.
What is the crystal shape of agate?
Agate, being a cryptocrystalline (microscopic crystal structure) form of quartz, does not have a crystal shape.
Is a crystal structure an essential characteristic of any mineral?
Yes, a crystal structure is an essential characteristic of any mineral. Minerals are defined as naturally occurring inorganic solids with a specific chemical composition and a crystalline structure, which gives them unique physical properties. The arrangement of atoms in a crystal lattice influences the mineral's hardness, cleavage, and other characteristics. Without a defined crystal structure, a substance would not be classified as a mineral.
What are some examples of rocks that came from fire?
Granites and basalts.
What is crystal structure of amethyst?
Amethyst is a variety of quartz, which crystallizes in the trigonal system. Its crystal structure is characterized by a hexagonal arrangement of silicon and oxygen atoms, forming a continuous framework of SiO₂ (silicon dioxide). The purple color of amethyst is due to the presence of trace amounts of iron and other impurities, which can create color centers in the crystal lattice. Overall, its unique structure contributes to its beauty and popularity as a gemstone.
What is the crystal structure for silver?
There is no crystal structure.
Why are the crystals in pillows basalts smaller than those in many other examples of basalts?
A factor that determines crystal size in igneous rocks is the speed in which the lava/ magma crystallised or froze. As pillow basalts form at mid ocean ridges where magma is erupted into direct contact with the cold sea water the crystals form very fast and are therefore small. Other basalts erupted on land still have relatively small crystals and crystallised relatively fast but overall slower then pillow basalts.
Dose malachite have a crystal structure?
Yes, the mineral malachite does have a crystal structure.
What is the crystal structure of beryllium?
Beryllium's crystal structure is hexagonal.
What is the crystal structure of phosphorous?
The crystal structure of phosphorous is monoclinic.
What is the crystal structure of fermium?
The crystal structure of fermium was not determined.
What does definite crystal structure mean?
a crystal structure is a turtle in disguise
What is radium's crystal structure?
The crystal structure of radium is cubic, body-centered.
Do both diamond and graphite have a crystal structure?
Yes. Diamond is isometric, graphite is hexagonal.
What is an an orderly three dimensional arrangement formed by ions called?
a crystal.
What is the crystal structure for helium?
Crystal structure is for solids and for gases. Helium is a gas and doesn't form any crystal.
What is the crystal structure of fluorine?
The crystal structure of fluorine is a monoclinic structure at normal atmospheric pressure. It forms a lattice of individual F2 molecules arranged in layers.
