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Andalusite var. Chiastolite from Lancaster, Worcester County, Massachusetts

 
Andalusite var. Chiastolite from Lancaster, Worcester County, Massachusetts

Andalusite var. Chiastolite from Lancaster, Worcester County, Massachusetts

Andalusite var. Chiastolite from Lancaster, Worcester County, Massachusetts

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
Status: For reference only
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