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Buzgar N., Apopei A. I., Buzatu A. (2009) - Romanian Database of Raman Spectroscopy (



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PNII - IDEI COD 2119/2008

Alexandru Ioan Cuza UniversityFaculty of Geography and Geology

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Realgar: Crystal structure | Sample photo | Raman spectrum | References

Crystal structure of Realgar



Crystal Data:

Crystal System: Monoclinic - Prismatic

Point Group: 2/m

Cell Data:

Space Group: P 21/n , a = 9.29, b = 13.53, c = 6.57, β = 106.883°, Z = 16

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Density (calc.) = 3.60 and V = 790.22 Å3

Element color: As, S
Realgar sample

Sample no. 5164 from the "Mineralogy and Petrography Museum Grigore Cobălcescu" of "Alexandru Ioan Cuza" University, Iaşi.

Origin: Sacaramb – Romania.

Click image to enlarge

Raman spectrum of Realgar
Toggle Grid Toggle Coordinates Reverse Spectrum Download spectrum:
Raman spectrum .txt Raman spectrum .spc
Interpretation of Raman spectrum of Realgar


• The Mineralogy Database [link]

• Crystal data (.cif file) from the American Mineralogist Crystal Structure Database [link]