E0116 Unidentified
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 9mm X 6mm (3/8" x 1/4"). MILD SULFURIC ACID BATH APPLIED.
Credit
Photo by Mark Kmiecik
By Mark Kmiecik
BOTH HALVES SIDERITE CONCRETION, SPLIT BY FREEZE/THAW METHOD & LIGHT HAMMER BLOW. SPECIMEN 9mm X 6mm (3/8" x 1/4"). MILD SULFURIC ACID BATH APPLIED.
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