472 LIST OF MINERALS, THEIR 



foliated ; Micaceous. 



scaly ; Iron froth. 



fibrous ; red hematite. 



compact ; red hematite. 



earthy ; red ochre. 



red siliceous Iron-stone. 



red clay-Iron-stone, 

 compact, 

 columnar, 

 earthy, 

 hydrous. 



crystallised. A right rhombic prism ; M on M', 

 130 40'. Cleaves easily in the direction, 

 of the short diagonal of the base. Crystals 

 of this substance occur at St. Just in 

 Cornwall, and with crystallized quartz 

 at St. Vincent's rocks near Bristol. Those 

 from St. Vincent's rocks have been for- 

 merly supposed to be Wolfram. 



red scaly ; Gothite ; Pyrosiderite ; Rubin- 

 glimmer. 



fibrous ; Lepidocrokite. 



fibrous brown hematite, containing a greater 

 proportion of water than the crystallised 

 variety. 



compact brown hematite ; Stilpnosiderite. 



earthy; brown ochre. 



brown clay-iron-stone, 

 globular ; pea ore. 

 lenticular, 

 compact, 

 earthy ; Umber. 



yellow clay-iron-stone 

 fibrous, 

 compact. 

 earthyj[; Yellow ochre. 



mixed with clay, and sometimes sand; Bog, 



Meadow, &c. ; Iron ore. Limonite. 

 phosphate. 



crystallized; Vivianite. A right oblique-angled 



prism', Mon T, 125 15'. 

 earthy, 

 sulphate ; Melanteria. 



green crystallised. An oblique rhombic prism ; 



P on M or M', 99 20' ; M on M', 82 20'. 



fibrous. 



