Sulfur

 

Sulfur

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Habitat: sulfur is found in Croatia at Radoboj and Siverić, and the sulfur springs (Varaždin spa, Split) and drains of the hot water.
Magmatic origin sulfur can be found in Japan, Indonesia and around all active volcanoes.
Sedimentary origin Sulphur can be found in: Italy, Poland, Russia, Mexico, the United States …
Color: The most common is yellow, and because of  impurities it can be tan, brown, and gray to black.

Background: Sulfur appears in nine different allotropic modifications, six crystal and three amorphous.

It usually crystallizes usually in ortorhombic system.

It is rarely chemically pure, because it contains impurity elements, organic matter and clay.

Hardness is 2.  It has shelly fracture, and it is partly transparent.

It has a white to yellowish streak, on the surfaces it has diamond luster ,and on the turns it has fat to resinous luster.

Mineral is of magmatic and sedimentary origin.

While volcanic activity it occurs by a  sublimation of sulfur vapor and hydrogen sulfide oxidation.
Other information: Used in the production of sulfuric acids, paint, pharmaceuticals, disinfectants, explosives, pesticides, colors and pigments, an important element in vulcanization.

Insoluble in water and in acids.

 

Interesting facts: It is a poor conductor of heat, so when he comes to touch with warm hands, it increase it’s volume and strats to crackle.

He has big fragility.  The most beautiful crystals were found in Italy, in Sicily.

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