public catalogue · open access · last index pass 2026-05-08 08:14:02 UTChost: cat-pub-04 · build 0.14.3-prototype · rev rA9F2
overviewcatalogueAM-2019-10014-A

AM-2019-10014-A · Beryl, var. aquamarinearchived

physical & structuralrev. 2
designationBeryl, var. aquamarine
chemical formulaBe₃Al₂Si₆O₁₈
classificationCyclosilicate / Beryl group
crystal systemHexagonal
mohs hardness7.5 – 8
density (g/cm³)2.67
colourSea blue, transparent
type localityMogok, Mandalay, Myanmar
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)32168410111069
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2019-10014-a.svg

reported peaks (cm⁻¹): 321, 684, 1011, 1069

notessubmitter remarks + registry

Standard beryl reference specimen. Supplied as a single piece on a small fragment of host matrix.