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Hydroxyapophyllite-(K)

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SYM934715

Hydroxyapophyllite-(K)

Rare Mineral

Description Tabs

Description
Locality: 
Foote Mine, Cleveland County, North Carolina, United States of America
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 4 × 2.5 cm
Description

Nice well formed thumbnail specimen of hydroapophyllite-k on the matrix. 

Mineral Data
What's on the rock

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0
Type Locality: 
Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA