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variable by piece
similar to quartz geodes
The matrix is a soft weathered iron oxide referred to as gossan
with whiter parts having a stronger reaction
XS 2" / 30g avg - XS and lower-quality S specimens
Hydroxyapophyllite Geode variable by pieceLocale: N'Chwaning II Mine, South Africa Approx dimensions: 2. 25 x 1 x 1" Approx weight: 52g This specimen features hydroxyapophyllite crystals with lizardite and calcite on matrix. Properly called "hydroxyapophyllite (K)," hydroxyapophyllite is a variety of apophyllite that is typically colorless. It more frequently grows cubic crystals, but these specimens from the renowned N'Chwaning Mines region form tabular square crystals similar to wulfenite,
