Object Record
Images
Metadata
Object Name |
Alstonite |
Object Description |
Specimen consists of a cluster of white translucent sharp dipyramidal alstonite crystals with faint horizontal growth lines along the crystal faces. The crystals emanate from a base of quartz and orthoclase pegmatite. |
Collector |
Krantz, Dr. Adam August |
Place of Origin |
England/Cumberland/Alston |
Site Name |
Brownley Hill |
Rock type |
Mineral |
Chemical Comp |
Barium calcium carbonate |
Crystal System |
Triclinic |
Sp Grav. |
3.67 |
Hardness |
4 - 4.5 |
Luster |
Vitreous/Glassy |
Streak |
White |
Fracture |
Irregular, uneven |
Classification |
Geology |
People |
Krantz, Adam August, 1808-1872 Brumby, Richard Trapier, 1804-1875 |
Search Terms |
Mineral |
Dimensions |
H-3.49 W-6.31 L-7.715 cm |
Catalog Number |
3274 |