Tigereye

From The Gemology Project
Revision as of 11:20, 18 October 2006 by Africanuck (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
Agate
Chemical composition SiO2 Silicon dioxide
Crystal system Trigonal
Habit Aggregate
Fracture Conchoidal
Hardness 6.5-7
Refractive index ± 1.55
Specific gravity 2.60
Lustre Vitreous