About Shigaite
A rare complex sulfate, often yellow to orange-yellow. It's associated with joy, creativity, and stimulating the solar plexus chakra.
Primary Hues
Yellow, Orange-Yellow, Brownish-Yellow, forms hexagonal tabular crystals
Geological & Scientific Details
Shigaite is classified as a sulfate mineral mineral which typically crystallizes in the trigonal system. Its chemical formula is NaAl3(Mn2+)6(SO4)2(OH)18·12H2O[1].
Key Geological Properties:
- Mineral Category: Sulfate mineral
- Chemical Formula: NaAl3(Mn2+)6(SO4)2(OH)18·12H2O[1]
- IMA Symbol: Sga[2]
- Crystal System: Trigonal
- Predominant Geological Color: Yellow, burnt orange, brown, black[5]
- Twinning: On {0001}[5]
- Cleavage: Perfect on {0001}[5]
- Luster: Vitreous to dull[3]
- Streak: Very pale yellow to white[5]
- Diaphaneity: Transparent[3]
Associated Minerals
- Sturmanite
- Ettringite
- Gypsum
- Rhodochrosite