New World Update 20 May 2022

20 May 2022

TODAY we continue our World update and delight in bringing lots of superb new specimens to your attention. Most are good sized miniatures and cabinet specimens with just two of large cabinet size, a Hematite with Andradite and a stunning Siderite with Quartz.

The vast majority have the advantage of being aesthetic and those which are not more than make-up through their rarity. A hint at some of the rarer species include Clausthalite, Cafarsite, Linnaeite, Pucherite and Stromeyerite. From the Kalahari Manganese Field there are lovely examples of Hematite, Rhodochrosite, Rhodonite and Poldervaartite and true classics such as Aquamarine from Gilgit and a Dravite-Uvite Tourmaline with Quartz from Power's Farm at Pierrepont, New York. Perhaps my very favourite is one of the lowest priced, at just $200 the Arsenopyrite from Yaogangxian mine in China is certainly bargain of the week showcasing aesthetic Arsenopyrite at its best. Let’s dip in a little deeper…

We have a really striking cabinet specimen of Hematite pseudomorphing after Ilmenite in Lizardite from the Dypingdal Serpentine-Magnesite deposit at Snarum in Norway. This also features white patches of Hydrotalcite, this deposit being its type locality. The well-developed Ilmenite crystals measuring to 4 cm are now replaced by Hematite in well-defined, modified cuboctahedral crystals. These metallic, lustrous grey-black crystals contrast superbly against the bright lemon yellow Lizardite.

In last Saturday’s Eurovision Song Contest, France kindly awarded the UK a legendary douze points, so it would be rude not to feature a classic French specimen here. From Saint-Georges-les-Bains, in the Auvergne-Rhône-Alpes, do take a closer look at the splendid miniature (a large miniature!) of interlocked rhombohedral Baryte crystals, the largest being an impressive 4.4 x 3.2 x 1.3 cm. The Baryte contains beautifully coloured zones in many shades of cream, white and grey, punctuated by a fabulous rhombohedral band of teal blue. It’s a delightful Baryte and likewise, we reciprocate with a maximum douze points from the British jury.

Many collectors are passionate about native elements and rightly so! Our rather nice example of Native Sulphur is from a somewhat different locality, that of the Gaurdak basin in Turkmenistan. From the evaporate deposits in this Late Jurassic marine basin, rich sulphur yellow crystals, the largest to 4.4 cm wide, are cemented by a chalky white supporting matrix of either Alumohydrocalcite or Para-alumohydrocalcite. If the latter, then this is from its type locality. The Native Sulphur forms crystals with a waxy to slightly glassy lustre, so making a terrific cabinet specimen.

The rare species alluded to include the Clausthalite, a lead selenide from Eskaborn Adit, Saxony-Anhalt, Germany; Cafarsite, an iron arsenite from the Wanni Glacier in Switzerland; Linnaeite, a cobalt sulphide from Jungfer mine, Germany and Pucherite, a bismuth vanadate from Pucher Shaft in Saxony. The last on this list, Stromeyerite, is a silver-copper sulphide from the Alexander mines at Vrančice in the Príbram mining district. Admittedly, the double calcium silicate Poldervaartite is rather rare worldwide, but occurs in relatively large quantities in the N'Chwaning mines. This large miniature is from N'Chwaning II and display highly lustrous, pale salmon-pink crystals richly covering a banded plate of sooty black manganese oxides layered with milky Quartz.

Others in today’s aesthetics include a Grossular Garnet with Diopside and Clinochlore from the Ala Valley in Piedmont, Italy; an acidic golden amber Fluorite crystal from Hilton mine in Cumbria, England, which grades to opaque lemon-cream patches, and a super cluster of deep, golden honey yellow Citrine Quartz crystals from Masca Băişoara in Cluj County, Romania. Returning to the Grossular, highly gemmy, burnt apricot orange crystals, all with a brilliant lustre, are associated with pastel lime green bladed Diopside crystals to 1.4 cm and grey-green hexagonal stacked booklets of bluish-green Clinochlore crystals.

High in the aesthetic stakes is the Hematite with Andradite Garnet from Wessels mine at Hotazel, South Africa. I begin its description with the exclamation “Wowsers!”, a term not generally recognised by the IMA (International Mineralogical Association). This is a remarkable and astonishing large cabinet specimen of wonderfully crystallised metallic grey Hematite covering a matrix of minutely crystallised Andradite Garnet crystals. Priced most reasonably at $500, the 12 x 10 cm plate is covered with highly lustrous, thick metallic blades of gunmetal grey, crystallised Hematite with a an almost continuous coverage beneath of cinnamon-orange Andradite Garnet crystals, each about one tenth of a millimetre. Take a look and I would be surprised if you are unimpressed.

So there you have it, a diverse selection from around the world, hopefully including some or many you will find of interest and possibly some new additions to your collection.

And before we sign-off until next Tuesday, for all our USA followers, remember Crystal Classics are at this weekend’s Texas Mineral & Fossil Dallas/Plano Show. Join us at the Plano Event Center from Friday, May 20 until Sunday, May 22. Located at Booth 36, Crystal Classics will have a huge selection of worldwide fine minerals on offer with something for every collector. The event is hosted by RMGM Promotions and the show offers free admission and free parking. Doors open at 10 am each day, so why not come along to see Debbie and the team for what promises to be a great show. Enjoy! PT

Here is what you have to look forward to in next week's update:

Tuesday 24th May & Friday 27th May - World

                                         

If you'd like to see a video of any of the specimens listed above then please contact us at orders@crystalclassics.co.uk and we'll be happy to assist you. We endeavour to respond to all enquires within 24 hours during weekdays, however at the weekend it might take us a little longer to respond.

 

CRYSTAL CLASSICS SUMMER OPEN DAY

Crystal Classics are delighted to announce that our 2022 Summer Open Day will be taking place on Saturday, June 11 from 10am to 5pm.

To book your place please email Debbie at debbie@crystalclassics.co.uk or by phone 01935 862 673 to register your interest.

We have many new collections to showcase as well as thousands of superb specimens in our showroom which are set out in beautiful display cases and drawered cabinets beneath oak beams bedecked with antique crystal models and other mining and mineralogical ephemera.

Breakfast and lunch will also be provided by The Village Cafe which is located next door to our offices.

It promises to be a great day and we look forward to welcoming you soon to our beautiful showroom in East Coker, Somerset.

 

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MINERAL WISH LIST

We also offer an additional service that enables you, as our customer, to contact us via orders@crystalclassics.co.uk with your mineral wish list to enhance your current collection, but are unable to find the right specimens on our website. We have 1000's of specimens in our general stock that do not appear online.

Author: JH
Categories: Updates

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