Cornish Tin: the colours of the yarns

Sue Blacker's picture
3 September, 2015 - 00:08 | Sue Blacker

The Royal Cornwall Museum’s collection of South West of England mineralogy is one of the finest in the world. 

At its heart is an outstanding early collection of minerals made by Philip Rashleigh (1729-1811), the most famous of Cornish mineral collectors, who lived at Menabilly, near Fowey (the house which inspired Manderley, the de Winter home in Daphne du Maurier’s novel, Rebecca).   Rashleigh collected over 3000 mineral specimens and meticulously labelled and recorded them in his manuscript catalogue. 

The mineral collection formed by Mr James Wickett (acquired by the RIC in 1922) is another large collection; it is substantially Cornish in origin and additionally rich in specimens of cassiterite (a tin ore) from around the world. 

We were privileged to be allowed to photograph our Cornish Tin yarns alongside some of the most beautiful items in the collection.  The samples were carefully carried down from their display cases to the workroom and gently placed on some genuine Delabole Cornish slates; and then we arranged the yarns beside them to link the colours together.   We owe special thanks to the curator of these treasures, Sara Chambers, and her staff, for helping us and we are VERY pleased that several of them, including Sara, are knitters!

Pengenna Green DK: with a Malachite sample collected by James Wickett

 

Pengenna Green 4-ply: with an Olivenite sample – this is Sara’s favourite mineral and the beautiful tiny needle crystals are amazing

 

Dolcoath Turquoise DK: with an Azurite sample on Malachite, collected by Philip Rashleigh

 

Dolcoath Turquoise 4-ply: with a Malachite sample on quartz

 

Botallack Blue DK: on another Azurite sample on Malachite, collected by Philip Rashleigh

 

Botallack Blue 4-ply: on Azurite on Malachite, again from the Rashleigh collection and still with his original sticker used to identify it

 

Levant Grey DK: with natural copper, carefully separated from the rock to show the veins as they occur

 

Levant  Grey 4-ply: with another piece of natural copper, slightly oxidised

 

Wheal Rose Red DK: with Tetrahedrite, tarnished with chalcopyrite to give an iridescent effect

 

Wheal Rose Red 4-ply: with Cuprite in crystalline form

The Royal Cornwall Museum shop will carry Cornish Tin yarn for sale for a limited period …

And here is a close-up of the amazing Olivenite crystals:

 

Comments

Submitted by Sharon on
<p>Those yarns look beautiful. &nbsp;The Pengenna Green DK could be just what I need to knit a jumper for my husband. &nbsp;He&#39;s into green and I am getting into British wool (and &#39;green&#39;).</p> <p>So&nbsp;for how much is it to be sold? &nbsp; And where - apart from the Royal Cornwall Museum shop?</p>

Submitted by Lynnette Taylor on
<p>Hi,</p> <p>&nbsp;</p> <p>I just found you!&nbsp; Hurray!!!!&nbsp; My Sister&#39;s Knitter just talked about your website and I went there and LOVE the yarn.&nbsp; Thank you for the blog and yarn and everything.</p> <p>From the USA</p>

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