Mugglestone AKA Tiger Iron

Mugglestone
AKA Tiger Iron
A combination of hematite, red jasper and sometimes yellow jasper or golden tiger eye
A grounding stone that also brings protection
A stone of clarity
Helps with creative endeavors and artistic abilities
Also, a stone of good luck
Related to the sacral and root chakras
From South Africa
 
These are priced  by weight and not necessarily by size.  The ones that have a lot of hematite in them weight more, so they might be a bit smaller.