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- Realgar - Wikipedia
Realgar was, along with orpiment, traded in the Roman Empire and was used as a red paint pigment Early occurrences of realgar as a red paint pigment are known for works of art from China, India, Central Asia, and Egypt
- Realgar (Ruby Sulfur) : Properties, Formation, Uses, Localities
Realgar, also known as “ruby sulfur” or “arsenic sulfide,” is a naturally occurring mineral composed of arsenic and sulfur with the chemical formula As₄S₄
- Realgar: Mineral information, data and localities.
From Arabic "rahj al-gahr", powder of the mine Known as a mineral pigment in Byzantium (essentially Asia Minor and the Balkan Peninsula) at least by the beginning of the thirteenth century and presumably having a name by that time An old realgar locality on the Balkan Peninsula is found at Allchar, Republic of Macedonia
- Realgar | Sulfide, Arsenic Antimony | Britannica
Realgar, an important ore of arsenic, a red or orange mineral containing both arsenic and sulfur Typically it is a minor constituent of ore veins in association with orpiment (into which it disintegrates on long exposure to light)
- Pietra preziosa Realgar: proprietà, significati, valore e altro
Il realgar è un minerale raro con una ricca storia alle spalle, che spazia dalla medicina alle arti Oggi, tuttavia, la bellezza del realgar è considerata un'arma a doppio taglio: questa pietra preziosa affascinante e unica ha un prezzo pericoloso
- Realgar and Orpiment - Arsenic Sulfide Minerals
What is Realgar? Realgar is a monoclinic arsenic sulfide mineral with a brilliant red color and a chemical composition of As 4 S 4 Well-formed realgar crystals can look so much like red gemstones that the mineral was often called "ruby sulfur" and "ruby arsenic "
- Realgar: Meaning, Properties, and Uses - Wisdom Of The Spirit
What Is Realgar? Realgar (pronounced ree-AL-gar) is a naturally occurring arsenic sulfide mineral with the chemical formula As₄S₄ Its name comes from the Arabic rahj al-ghar, meaning “powder of the mine,” reflecting its historical use as a pigment and medicine
- Realgar: The arsenic mineral realgar: information and pictures
Realgar is an important ore of arsenic It is used in the manufacturing of fireworks, and was historically used as a red pigment Realgar is also an important collectors mineral, and the transparent gemmy forms are especially desired
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