Name: Hydroxyapophyllite
Brand: martinafruit.com
SKU: 52199898
Price: 55.00 USD
Availability: InStock
Rating: 4.799200000000001 (15 reviews)

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Description

HydroxyapophylliteLocale: N'Chwaning II Mine, South Africa Approx dimensions: 2 x 1. 5 x 1. 25" Approx weight: 145g 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

or sceptered

Note: Towers like this are often cut haphazardly and may not stand straight

There are two spheres that are white at the center like snowballs trapped in the hyalite

UV reactivity Under 365 nm UV light

UV reactivity There is an opaque white mineral overgrowth on part of the quartz geode that may be calcite

Looking inside the clear quartz of the broken end

The thick hyalite at the top of the specimen is a great example of this

Approx weight: 63g

Hyalite is a form of opal

It has strong orange-red fluorescence with brief phosphorescence

" When I cleaned the specimen

On other specimens it takes on a purple amethyst hue on the ends