From mid-2021, newsletter articles are no longer posted separately here. Interested readers should scan through the newsletter headings under the ‘Newsletters’ tab.


Duncan Miller

The faceting articles published over the past few years in the Mineral Chatter have been compiled into a single 128 page document, available for download for those interested in saving all the articles together. To download the pdf file click here.

A 29,18 ct cuprite from Onganja, Namibia, cut by Duncan Miller and now in a private collection in Germany.

Browsing Archive: March, 2018

Visit to Mineral Services and the Exhibition “Messengers From The Mantle”

Posted by Site Moderator Webmaster on Thursday, March 29, 2018,

By kind invitation of Professor John Gurney, 25 club members visited Mineral Services on 24th February to see his exceptional exhibition “Messengers from the Mantle”. This irreplaceable collection of kimberlites was initially created for the 35th International Geological Congress at the Cape Town International Convention Centre in September 2016, and was displayed again at the 11th International Kimberlite Conference in Gaborone, Botswana in Septembe...

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Field Trip to Yzerfontein

Posted by Site Moderator Webmaster on Thursday, March 29, 2018,
Sunday, 18th March

Pictures speak louder than words.

Brunsvigias alongside the West Coast road

24 members learning about an example of gabbro

Coastal erosion from the winter storms of 2017

An igneous breccia dyke

A 70,000 year old archaeological midden

Inspecting rocks on Schaapen Eiland

Iron pyrites

Inclusions of gabbro in the breccia dyke

Inclusions of chilled wall rock in the monzonite

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