Object ID:
1917.8.29
Collection:
Natural History-Ladies of New London
Object Name:
Pyrolusite
Dimensions:
H-6.3 W-9.7 L-8.5 cm
Description:
Pyrolusite mineral classification: oxide
Dendritic pyrolusite on tan limestone, pyrolusite pattern resembles leaf impressions. Limestone reacts strongly to HCL.
Dendritic pyrolusite on tan limestone, pyrolusite pattern resembles leaf impressions. Limestone reacts strongly to HCL.
Found:
Iowa
Chemical Composition:
Manganese oxide
Crystal System:
Tetragonal
Specific Gravity:
4.7-5.0
Hardness:
06
Luster:
Metallic
Click to Enlarge
Front
Back
Front
Back