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Willhendersonite

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FRE122244

Willhendersonite

Description Tabs

Description
Locality: 
Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2.5 × 1.5 cm
Description

Round aggregates (about 1.5 mm in diameter) of colorless, tabular crystals of willhendersonite with whitish balls of "apophyllite". Rare zeolite. Type locality.

Mineral Data
What's on the rock

Willhendersonite

Formula: 
KCa[Al3Si3O12]·5H2O
Strunz: 
9.GD.10
Hardness: 
3.0
Streak: 
White
Type Locality: 
Vispi Quarry (incl. Celli; Pian di Celle), San Venanzo, Terni Province, Umbria, Italy

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