Feedback from our Trip to Gemboree 2026 by Lesley and Richard Andrews; Famous Mineral Specimen Producing Regions XII East Africa by Peter Rosewarne; Blue Diamonds by Peter Rosewarne; Blue Lace Agate: its Claim to Fame remembered by Jo Wicht; Freeform Faceting a Barion Design without a Diagram by Duncan Miller.
Famous Mineral Specimen Producing Regions XI: Turkey by Peter Rosewarne; The Olivine Group by Peter Rosewarne; A Book Review.
Here we have a bumper Green and Gold Springbok issue for your enjoyment. Go Rokke! We have Book Reviews; The Greenstone Trilogy by Peter Rosewarne; Forgotten Green Stones; Native Gold: are you concentrating? by Peter Rosewarne; and this month’s Curiosity is in fact a Question.
The Early Geological History of the Earth by Peter Rosewarne; Famous Mineral Specimen Producing Regions Number X: Mali by Peter Rosewarne; Can ChatGPT create a usable faceting design? by Duncan Miller; and this month’s Curiosity is Copper Ore from Namibia.
Mineral Literature Continued by Bruce Cairncross, The Evolution of Mineral Specimen Literature Part 2: Periodicals and other “Soft Cover” Publications 1925–2025 by Peter Rosewarne, The Munich Show 2025: Show Report from a First Time Attendee’s Perspective by Peter Rosewarne, Obituary: James “Jim” Brown, Hummingbird Minerals and this month’s curiosity is Uvarovite Garnet on Chromite.
The Evolution of Mineral Specimen Literature: 1960s – 2025. Part 1: Books, and “I’m only Sleeping” by Peter Rosewarne, and this Month’s Curiosity is Unusual Crystal Habits also by Peter Rosewarne.
Famous Mineral Regions #9 – Brazil by Peter Rosewarne; High End Fakes by Peter Rosewarne; From the Club’s Workshop; Bothersome Bubbles; and this Month’s Curiosity is Red Ember’s Garnets.
A letter re fakes from Robert Lurie; Fake Mineral Specimens: possible, genuine and real by Peter Rosewarne; Pseudomorphs Revisited by Peter Rosewarne; From the Club’s Workshop; Playing with Glass; and this Month’s Curiosity is Puteolanum.
Impressions from the 2025 Sainte-Marie-aux-Mines Mineral Show by Prodromos Nikolaidis; The Perils of Mineral Trading by Peter Rosewarne; Faceting News: Glass – identification clues by Duncan Miller; and this month’s Curiosity is Dravite.
Rob Smith: a Life in Minerals, Part 2 – Field Collecting; Famous Mineral Producing Regions Part 6: Madagascar by Peter Rosewarne; A Simple Guide to Quartz – Colours and Habits by Jo Wicht; Time, Time and Again by Duncan Miller; and this month’s Curiosity is Coconut Geodes.
In Defence of the Zeolites from the Deccan Traps of India by Jo Wicht, Rob Smith: a Life in Minerals. Part 1 – the Early Days by Peter Rosewarne, Separating the Twins by Lesley Andrews, Famous Mineral Producing Regions Part 5: Sri Lanka, Book Review; Ikons of the Mineral World: Natures Finest Art – PR and This Month’s Increasingly Interesting Curiosity is Fluorapatite.
An Ode to a Geode by Peter Rosewarne, The Amethyst Geodes of Sarusas by Jo Wicht, Trading in Mineral Specimens – An Update by Peter Rosewarne, and the latest find in the Cabinet of Curiosities
The Colour Purple by Peter Rosewarne, Mineral Specimen Labels by Peter Rosewarne, and the latest find in the Cabinet of Curiosities.
The mim Museum, the Andes on a Plate – literally, by Peter Rosewarne, a Green Streak by Peter Rosewarne, and another Curiosity
– Jo’s Quartz Specimens with Inclusions, The 5th Mineral Symposium recently held in Johannesburg by Lesley Andrews, a Visit to the WOMAG Factory in Epping, The Vredefort Dome (as you perhaps have never seen it) by Peter Rosewarne, The Blues by Peter Rosewarne, and another colourful Curiosity.
Quartz Inclusions seen down the Microscope by Eugene Oosthuizen, Orange by Peter Rosewarne, The Chapman’s Peak Contact (as you probably haven’t seen it before), some newly faceted gems, and another Curiosity.
In Search of the Green Gold – A Gem Hunting Trip to Tanzania by Mandy Freeman, the Topaz Seller; “If it’s brown”… by Peter Rosewarne; and another curious Curiosity.
Blue Lace Agate News, “Back in Black” by Peter Rosewarne, The Sources of Colour in Minerals by Peter Rosewarne, and an Easter Curiosity.
Igneous Activity, Mineral Deposits and Groundwater: Is There a Connection? by Peter Rosewarne, In the Pink by Peter Rosewarne, and Curious Opal Pineapples.
– The club’s field trip to the Hout Bay manganese mines by Prodromos Nikolaidis; Peter Rosewarne asks the question “Why?”, Faceting a large Spodumene by Duncan Miller, and another interesting Curiosity.
Famous Mineral Specimen Producing Regions of the World, Part 4, Morocco by Peter Rosewarne, and another Curiosity – Meteorites.
Famous Mineral-Specimen Producing Regions of the World, Part 3, Pakistan, by Peter Rosewarne and a Curiosity in need of identification
Famous Mineral-Specimen Producing Regions of the World, Part 1: Afghanistan by Peter Rosewarne, and a yummy Curiosity.
Desert Roses from Port Nolloth, Northern Cape, South Africa by Gisela Hinder; Rutile: a mineral of many habits by Peter Rosewarne, and another Curiosity.
“Minerals of War” by Peter Rosewarne, another Curiosity, and in the Lapidary section some inspired tigers-eye.
Time is an Abyss by Duncan Miller, The Feldspathoids by Peter Rosewarne, as well as a rather different Curiosity
NEW: “FACETIPS – A Gem Cutter’s Notebook” by Duncan Miller, the Club’s 60th Anniversary, What’s in a Name? Celebrity and Other Mineral Specimen Names by Peter Rosewarne, Bumble Bee Stone from West Java, Indonesia by Malcolm Jackson, and another Curiosity
Cape Town Gem & Mineral Club’s 60th Anniversary and other Interesting Numbers by Peter Rosewarne, a couple of Curiosities, and Investigating Moldavite by Duncan Miller.
Beryl: A Gem of a Colourful Mineral by Peter Rosewarne, Curious Smithsonite by Peter Rosewarne, Open Day Agate find, and the Mechanism of Diamond Grinding by Duncan Miller.
OCTOBER 2022 – Beryl: A Gem of a Colourful Mineral by Peter Rosewarne, Curious Smithsonite by Peter Rosewarne, Open Day Agate find, and the Mechanism of Diamond Grinding by Duncan Miller.
– Great Balls of Fire – fluorescent spheres! by Peter Rosewarne, Lithium – just how ‘green’ is it? by Peter Rosewarne, and a sandy Curiosity
An Alluvial Diamond Mine on the Orange River by Peter Rosewarne; Minerals in Art II by Peter Rosewarne; The Afghan Girl by Jo Wicht; and Nambulite in the Cabinet of Curiosities.
Uranium: From Colourful Secondary Minerals to Yellow Cake and from Reactors to Weapons by Peter Rosewarne, LEGO and Minerals by Bruce Cairncross, Unseen blobs by PR, another Curiosity, Faceted Barite, and Facet Cutting Laps, both by Duncan Miller.
Are there any other Blue Agate Deposits in Southern Namibia? by Jo Wicht, Annette Taylor’s Treasures from the 2021 FOSAGAMS Tour, Faceting in the 21st Century – an equipment guide for beginners by Duncan Miller, and another Curiosity.
From 0 to 5 762 and Counting: where did all these minerals come from? by Peter Rosewarne, Bitten by the Gem Cutting Bug? Need help? by Duncan Miller.
Season’s Greetings with a mineralogical theme by Peter Rosewarne, and The Cabinet of Curiosities features hackmanite.
– Rockhounding the Trethewey way in North West Canada by Bruce Trethewey, “It’s a Kind of Magic”: from drab hand specimen to a rainbow thin section by Peter Rosewarne; Curious Geological Cakes from the Past, and Tracy the Intrepid Tripper by Tracy Hannath.
The re-emergence of some Jan Coetzees by Jo Wicht, Riemvasmaak – resurrected from ashes by Duncan Miller, Off the Beaten Track: South African national monuments with a geological theme by Peter Rosewarne.
Journeys in Pegmatite Paradise by Duncan Miller, Photographing Minerals in Stereo by Duncan Miller.
A Short Geological History of the Southwestern Cape by Duncan Miller; Stories behind some recently acquired ‘exotic’ rocks and polished spheres by Peter Rosewarne; Playing with quartz spheres in polarised light by Duncan Miller; Photographs of spheres sent in by members; and Who was Father Tony Garman?
Aquifers, Groundwater and Abstraction Methods: The status quo and beyond, in the greater Cape Town area. Parts 1 & 2 by Peter Rosewarne.
Lapis Lazuli: East vs West by Peter Rosewarne; Lazurite – a Tucson Story by Duncan Miller; Digging out Dumortierite by Jo Wicht; More photographs of “True Blue” minerals sent in by our members.