page_title: Realgar
hierarchical_section_title: Realgar
caption_attribution_description: English: Realgar Locality: Royal Reward Mine, Green River Gorge, Franklin, King County, Washington, USA (Locality at mindat.org) Size: 2.2 x 1.1 x 0.8 cm. An aesthetic cluster of gemmy, bright, cherry-red realgar crystals nicely attached to a bit of matrix. This piece is from the less well-known Royal Reward Mine of Washington. The specimen probably dates to the 1970s. Ex. Jaime Bird Collection. Deutsch: Realgar Fundort: Royal Reward Mine, Green River Gorge, Franklin, King County, Washington , Vereinigte Staaten (Fundort bei mindat.org) Größe: 2.2 x 1.1 x 0.8 cm.
context_page_description: Realgar, α-As₄S₄, is an arsenic sulfide mineral, also known as "ruby sulphur" or "ruby of arsenic". It is a soft, sectile mineral occurring in monoclinic crystals, or in granular, compact, or powdery form, often in association with the related mineral, orpiment. It is orange-red in color, melts at 320 °C, and burns with a bluish flame releasing fumes of arsenic and sulfur. Realgar is soft with a Mohs hardness of 1.5 to 2 and has a specific gravity of 3.5. Its streak is orange colored. It is trimorphous with alacranite and pararealgar.
  Its name comes from the Arabic rahj al-ġār, via Catalan and Medieval Latin, and its earliest record in English is in the 1390s.
context_section_description: Realgar, α-As₄S₄, is an arsenic sulfide mineral, also known as "ruby sulphur" or "ruby of arsenic". It is a soft, sectile mineral occurring in monoclinic crystals, or in granular, compact, or powdery form, often in association with the related mineral, orpiment (As₂S₃). It is orange-red in color, melts at 320 °C, and burns with a bluish flame releasing fumes of arsenic and sulfur. Realgar is soft with a Mohs hardness of 1.5 to 2 and has a specific gravity of 3.5. Its streak is orange colored. It is trimorphous with alacranite and pararealgar.
  Its name comes from the Arabic rahj al-ġār (رهج الغار,  "powder of the mine"), via Catalan and Medieval Latin, and its earliest record in English is in the 1390s.
caption: Realgar crystals, Royal Reward Mine, King County, Washington, US
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