Readers ask: Where Is Fluorite Found In Illinois?

Where is fluorite most commonly found?

Some of the world’s most prized fluorite specimens come from Swiss and French Alp deposits where the crystals occur as simple octahedrons and range in color from a delicate pink to a rich red. Fluorite is found worldwide in China, South Africa, Mongolia, France, Russia, and the central North America.

Why is fluorite the state mineral of Illinois?

State Symbol: Illinois State Mineral — Fluorite. The name fluorite comes from the Latin fluere which means to flow. This name comes from the fact that fluorite melts easily. Fluorite is the natural crystalline form of calcium fluoride (CaF2).

Where can you find fluorite in nature?

Most fluorite occurs as vein fillings in rocks that have been subjected to hydrothermal activity. These veins often contain metallic ores which can include sulfides of tin, silver, lead, zinc, copper, and other metals. Fluorite is also found in the fractures and vugs of some limestones and dolomites.

What is Illinois state gemstone?

Fluorite was adopted in 1965 as the Illinois State Mineral. Fluorite is the natural crystalline form of calcium fluoride (CaF2).

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What rock is fluorite found in?

Fluorite forms as a late-crystallizing mineral in felsic igneous rocks typically through hydrothermal activity. It is particularly common in granitic pegmatites. It may occur as a vein deposit formed through hydrothermal activity particularly in limestones.

Is fluorite dangerous to handle?

Fluorite (CaF2) is a mineral that is listed as being dangerous because it contains the element fluorine, which by itself can be some nasty stuff.

What is the state fruit of Illinois?

Illinois State Fruit – GoldRush Apple.

How and where is fluorite mined?

Since the early 1800s, fluorite has been mined in southeastern Illinois. The fluorspar-rich region, which reaches from southeastern Illinois into parts of Kentucky, was called the Illinois-Kentucky Fluorspar Mining District. In Illinois, fluorite was mined almost exclusively in Hardin and Pope Counties.

Where can I dig for gems in Illinois?

The best places to rockhound in Illinois are the Keokuk geode beds near Hamilton, the banks and tributaries of the Mississippi River near Niota, the gravels of the Mazon River, and the many regional quarries and mining dumps. Illinois is particularly famous for its fluorite and geode specimens.

Can fluorite be in the sun?

Fluorite Fades in the Sun. As fluorite is made of fluorspar or calcium fluoride, it reacts heavily under sunlight. It is advised not to keep the crystal under the sun for more than 15 minutes. Exposing to the sun will also make fluorite extremely hot.

What is the rarest color of fluorite?

What is the rarest color of fluorite? Purple or violet is the classic color of fluorite, often competing for richness with amethyst. Blue fluorite is quite rare and collectors are looking for it. The brilliant yellow is very rare as well.

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What state has the most gemstones?

Idaho Gemstones Idaho’s nickname is “The Gem State.” It has a long history of producing a variety of gem materials. The most important gems produced to date have been star garnet and opal. Notable amounts of jade, topaz, zircon, and tourmaline have also been found in Idaho.

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