Septarian nodules are concretions that were formed out of Aragonite, Barite, Calcite and Limestone around 50 - 70 million years ago. The name comes from the Latin 'septum', referring to the cracks in the rock, whilst the alternative name Dragon Stone comes from a Malagasy legend which told of the dragons that used to roam the earth long ago, and when they died their bodies fossilised and remained in the earth..

Alternative Names Dragon Stone
Colour Yellow, Brown, Black
Hardness 3.5 - 4
Crystal system Trigonal
Streak White
Lustre Vitreous
Main Locations Madagascar, USA, Morocco
Chakra Root
Zodiac Taurus
Numerology 66
Planetary Earth
Element Earth