Quartz : SiO2
Fluorapophyllite-(K) : KCa4(Si8O20)(F,OH)·8H2O
Mindat locality:
6.8cm x 6.5cm x 6cm
Photo added to mindat.org
“A perfect cluster of heulandite crystals measuring 4.4 cm across are set up on top of an apophyllite-(KF) matrix. The heulandite is replaced by sparkling micro crystalline quartz. The apophyllite-(KF) crystals are gem quality, glassy and colorless, measuring to 5.5 cm in length. Shows nicely all around 360 degrees. No damage. Size: 6.8 x 6.5 x 6.0 cm. Ex Lloyd Tate collection. ”
Dan Weinrich - 14th January 2011
Photo added to mindat.org
“A perfect cluster of heulandite crystals measuring 4.4 cm across are set up on top of an apophyllite-(KF) matrix. The heulandite is replaced by sparkling micro crystalline quartz. The apophyllite-(KF) crystals are gem quality, glassy and colorless, measuring to 5.5 cm in length. Shows nicely all around 360 degrees. No damage. Size: 6.8 x 6.5 x 6.0 cm. Ex Lloyd Tate collection. ”
Dan Weinrich - 14th January 2011
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