Color:  Hamburg Chert ranges in color from blue to black with white quartz veins running through the material.

Texture:  Dense cryptocrystaline quartz

Luster: Waxy to vitreous

Silica Fabrics / Fossils: Micro fossils include algal beds, Oolites, and Pisoids

Patina:

Heat Treatment: 

Knapping: 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Hamburg Chert is associated with the Hamburg Member of the Leithsville Formation of New York and New Jersey primarily occurring as beds with exposures occurring in Orange County New York and into New Jersey.