Iowaite is a rare mineral. Soapy to the touch. Forms veinlets in serpentinites. Named after the place of discovery - Iowa, USA. There is little information about him in the literature.
You can see Iowaite stone for sale and buy it in the Minerals of Russia online store.
Physical properties of Iowaite
Formula: Mg6Fe3+2(OH)16Cl2 · 4H2O
Colour: bluish green
Specific Gravity: 2.11
Crystal System: Trigonal
Member of: Hydrotalcite Group > Hydrotalcite Supergroup
Name: For the state of the type locality.
Type Locality: Matlock drill core, Sioux Co., Iowa, USA