The galena radio used this mineral within the framework of its operation.
The etymology of galena takes us to the Latin word galēna , which in turn has its origin in a Hispanic voice. Galena is a mineral that, among its components, has lead and sulfur .
At a chemical level, galena is a sulfide since it is formed from the combination of sulfur with another metal (in this case, lead). Due to its composition, therefore, it is lead sulfide , with PbS being its chemical formula.
Importance of galena
Galena is highly regarded as lead ore . This means that, from the galena found in the deposits, the aforementioned metallic element is extracted.
It is important to point out, however, that not only lead is extracted from galena. It can also be used to obtain silver .
Although its greatest use is as ore, galena was key in the operation of ancient radios . These equipment, in fact, were known as radio a galena or radio de galena .
Using galena crystals as semiconductors , these radial receivers achieved the detection of short-wave or medium-wave amplitude modulated signals, with the galena being responsible for promoting a pulsating direct current.
Some time ago, on the other hand, galena was used to produce enamels . Another use was as the base of a cosmetic product that allowed eye protection in Ancient Egypt .
Properties attributed to it
Various symbolisms and properties are attributed to galena that have nothing to do with its chemical characteristics or scientific issues. It is said, for example, that it is a stone that helps find balance .
Those who believe in these mystical qualities maintain that galena helps people overcome the past but without abandoning contact with their roots. They also claim that it contributes to mental openness.
A doctor is a medical professional.
Places called Galena
It is interesting to mention that several towns in the United States share the name of Galena . In the state of Illinois , to mention one case, the city of Galena has more than 3,000 inhabitants .
Galena has a similar population level in Kansas . This small city is part of Cherokee County. On the other hand, in the states of Maryland and Ohio , there are towns called Galena where only about 600 individuals live.
A medical professional
It is worth mentioning that galen is a colloquial way of referring to a medical professional. Doctors, in this framework, are referred to as doctors, while female doctors are called doctors .
Galenas are women who completed the academic studies necessary for the practice of medicine. Thus, they have the qualifications required to carry out their work, dedicating themselves to caring for the health of their patients.
The singer Galena
Galena , finally, is the stage name by which a native Bulgarian singer is known: Galina Vicheva Gencheva .
This artist born in 1985 released her first album in 2006 . Over the years he consolidated his career and became a star in his native country.