Description
Herkimer Diamond Black Inclusions – Black Anthraxolite Inclusions.
As Pictured, The One In The Photo Is The One You Will Receive.
Anthraxolite Is A Hard, Black Lustrous Graphitic Coal, Which Has Sometimes Been Confused With Anthracite.
The Two Differ In Several Respects, In Hardness (Anthraxolite 3-5, Anthracite 2-2.5),
And In Fixed Carbon Content. The Fixed Carbon In Anthraxolite Varies Between 75 And 90%
