Chalcocite from Geevor Mine, Cornwall - 7.92g Details This is a good choice

This is a good choice if you want a Mimetite mineral specimen from Dry Gill

Rhodonite Mushroom 137grams is selected for its natural colour

Mohs ~6–6

with the interest coming from its height

Cascade Wrapped Gemstone Necklace - Rough Opalite is a wearable piece selected for its shape

Chalcocite from Geevor Mine, Cornwall - 7.92g Details This is a good choiceA small labelled Chalcocite specimen from Geevor Mine, Pendeen, St Just, Cornwall. Geevor is a classic Cornish mining locality and is well known among collectors for chalcocite and associated copper tin minerals. This 7. 92g thumbnail shows grey blue copper sulphide matrix with pale and blue green oxidised areas, photographed closely because it measures only 20 x 15 x 20mm. Supplied as the exact specimen shown, with its handwritten Geevor Mine label.