AM-2009-10003-A · Quartz, var. citrineunverified The classification below is preliminary. Spectroscopic confirmation is incomplete; values shown reflect the most recent analytical pass and may be revised without notice.
physical & structural rev. 4
designation Quartz, var. citrine chemical formula SiO₂ classification Tectosilicate / Quartz group crystal system Trigonal mohs hardness 7 density (g/cm³) 2.66 colour Smoky-yellow type locality Ouro Preto, Minas Gerais, Brazil
raman spectroscopy 532 nm · pass A
200 400 600 800 1000 1200 1400 Raman shift (cm⁻¹) intensity (arb.) 126 208 263 695 1084 λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mm fig. 1 · raman.am-2009-10003-a.svg
reported peaks (cm⁻¹): 126, 208, 263, 695, 1084
notes submitter remarks + registry
Crystals up to 24 mm on edge, with euhedral faces. Specimen mounted on a fragment of host rock.
provenance
accession AM-2009-10003-A submitted 2009-08-26 last modified 2010-08-26 submitter (hash) 16ddec record revision 4 status unverified proof-hash 3e81a3da04efc901a6ac12465f83130ba6efae76e7b20185323fc74d0519f487 citation
anonymousmaterials.com (n.d.). Record AM-2009-10003-A: Quartz, var. citrine. Public catalogue accession. Retrieved from https://anonymousmaterials.com/sample/AM-2009-10003-A
files
filename size raman.am-2009-10003-a.svg 2.0 KB meta.am-2009-10003-a.json 673 B photo.am-2009-10003-a.jpg 78 KB
Photographic plate retained in the public mirror; full-resolution scan available on request.