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^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...
Fluorite, calcium fluoride, is the state mineral. It is mined in the southeastern portion of the state, around Metropolis. Fluorine gas is produced from fluorite. This is used in the production of uranium hexafluoride in Metropolis, Illinois for use at the gaseous diffusion plant in Paducah, Kentucky.
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF 2. It belongs to the halide minerals . It crystallizes in isometric cubic habit , although octahedral and more complex isometric forms are not uncommon.
Mineral: Fluorite (Calcium fluoride) 5 ILCS 460/25 1965 [3] Motto "State sovereignty, national union" 5 ILCS 460/5 [notes 2] 1818 [6] Nickname "The Prairie State" Traditional [3] Pet: Shelter dogs and shelter cats: 5 ILCS 460/47 2017 [1] Pie: Pumpkin pie: 5 ILCS 460/100 2016 [1] Prairie grass: Big bluestem (Andropogon gerardii) 5 ILCS 460/55 ...
File:Fluorite-galena in dolostone (Cave-in-Rock District, Illinois, USA) (41354010752).jpg. Add languages. Page contents not supported in other languages.
Illinois Route 34 terminates in Rosiclare at the river and leads north 30 miles (48 km) to Harrisburg. The next Illinois community upriver (northeast) is Elizabethtown , 4.5 miles (7.2 km) via IL-34 and IL-146 or 2.5 miles (4.0 km) by river, while the next one downstream (southwest) is Golconda , 15 miles (24 km) via IL-146 or 11 miles (18 km ...
(The Center Square) – After Gov. J.B. Pritzker proposed a budget anticipating $55.4 billion in state taxpayer funds, the process of coming to a revenue estimate for the looming Illinois state ...
The fluorite structure refers to a common motif for compounds with the formula MX 2. [1] [2] The X ions occupy the eight tetrahedral interstitial sites whereas M ions occupy the regular sites of a face-centered cubic (FCC) structure. Many compounds, notably the common mineral fluorite (CaF 2), adopt this structure.