6hlkmr ((MATULAITE)), TYPE LOCALITY, $10 MINIMUM BID, Bachman Mine, Hellertown, Northhamption County, Pennsylvania, 11 x 7 x 5 cm, Cabinet | |
Here is a cabinet sized specimen of the rare Matulaite from the Type Locality. It is the white micro crystals on the sides of brown shale. It crystals grew in the cracks of shale now becoming the flat sides of specimens of the shale. Much of the white is massive but there are some areas of micro crystals. |