Morganite
Variety Be3Al2Si6O18
Also called Pink beryl
About it
Pink to peach beryl coloured by manganese, often in flat, tabular crystals. Named after banker J.P. Morgan; found in pegmatites in Madagascar, Brazil, Afghanistan, and California.
- Type
- Variety
- Group
- Beryl variety
- Formula
- Be3Al2Si6O18
- Hardness (Mohs)
- 7.5–8
- Specific gravity
- 2.67–2.9
- Streak
- white
- Lustre
- vitreous (glassy)
- Crystal system
- Hexagonal
- Colours
- pink, peach, salmon
- Transparency
- transparent, translucent
- Cleavage and fracture
- imperfect basal; conchoidal to uneven fracture
Typical values: real specimens vary. For more, see mindat.org.