Wairakite

A variety of Minerals

Wairakite specimen - rock identification

What is Wairakite?

Wairakite is a zeolite mineral with an analcime structure but containing a calcium ion. The chemical composition is Ca8(Al16Si32O96)•16H2O. It is named for the location of its discovery in Wairakei, North Island, New Zealand, by Alfred Steiner in 1955. The first finds were in hydrothermally altered rhyolitic tuffs, ignimbrites and volcaniclastic rocks. The mineral has since been found in metamorphic rocks and in geothermal areas. It was most likely first successfully synthesized in a laboratory in 1970.

Wairakite Market Value Calculator

Estimate the market value of Wairakite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

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Wairakite Localities Map

See where Wairakite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

Physical Properties

Color
Colorless to white
Hardness (Mohs)
5.5 - 6
Streak
White

Chemical Properties

Chemical Formula
Ca(Al2Si4O12) · 2H2O
Elements
Al, Ca, H, O, Si
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