| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Massachusetts > Andalusite var. Chiastolite |
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| DESCRIPTION: | No. 52976 |
| Mineral: | Andalusite var. Chiastolite |
| Locality: | Lancaster, Worcester County, Massachusetts |
| Description: | Elongated andalusite crystal exhibiting the cruciform twinning, known as Chiastolite because it resembles a cross, in dark schist. The end surfaces of the chiastolite crystal was sawn flat and lacquered to highlight the cruciform zones. Ex. Tim Swan collection at River Valley Mineral Museum (Rumford, Maine) #378 |
| Overall Size: | 3.5x3x1.5 cm |
| Crystals: | 25 mm |
| Archived: | For reference only |
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