TAB. XLVII. 



CUPRUM carbonatum, var. byssoides. 

 Byssus-like Carbonate of Copper. 



Class 3. Metals. Order I. Homogeneous. 



Gen. 4. Copper, Spec. 3. Carbonate of Copper. 



Div. 2. Imitative. Var. 8. Byssus-like. 



Spec. Char. Copper combined with carbonic acid. 

 Syn. Green Malachite. Rashleigh, fasc. 1. tab. 7. 

 ft* 



Cuivre Cabonatee vert soyeuse. Ha'uy 3. .573. 



Malachit. EmmerL t. 2. p. 253. 



Malachite Copper ore of this beautiful Byssus-like ap- 

 pearance has been found in great abundance at Llandidno, 

 in Denbighshire. It has rather the appearance of a vegetable 

 than a mineral production, and is most commonly found of 

 a beautiful velvety appearance. The upper surface is extreme- 

 ly tender, and bruises on the slightest touch, assuming a 

 whitish appearance. The sides become more or less white 

 on exposure to the air, and when fresh broken, are of a 

 satiny green, formed of fine thready radii, often closely 

 compacted in stratified order, one coat over another, rightly 



H 



