Scorzalite
Mineral Fe2+Al2(PO4)2(OH)2
About it
The iron-rich partner of lazulite, darker blue to nearly black and denser. Found in granite pegmatites such as those of Minas Gerais in Brazil and the Black Hills of South Dakota.
- Type
- Mineral
- Group
- Phosphate, lazulite group
- Formula
- Fe2+Al2(PO4)2(OH)2
- Hardness (Mohs)
- 5.5–6
- Specific gravity
- 3.3–3.4
- Streak
- white
- Lustre
- vitreous (glassy)
- Crystal system
- Monoclinic
- Colours
- deep blue, greenish blue, blue-black
- Transparency
- translucent, opaque
- Cleavage and fracture
- poor prismatic
Typical values: real specimens vary. For more, see mindat.org.