MINERALS. 109 



DIVISION 4. 



4th Series - Dioxides. 



Pyrohisite, -gray Oxide of Manganese. ' Aberdeenshire. 



,, dendritic Manganese 'on metamorphic Slate.. 



Cassiterite - Oxide of Tin. Cortiwaft. 



,, Cento C(tmerel'e,'Campiylia, Italy. 



,, stream Tin, Green Rilshes, West 'Australia. 



,, - Tin st6:ie. SiJb<lzilan(? t South Africa. 



K,titile. Biiiti. 



,, showing g^niculated Crystal. JJi/tn, 

 Anatase. St. Gotthard, Switzerland. ' 

 Anataso and Kutile Hitin ) 



Quartz, seriis of Crystal from various localities. 



,, with Ver.le antico. 



., plated with Mica.' 



% with penetrating crystallizations of Rutile. JSinn. 



,, with Pyrites of Iron. Rio, Elba, 



,. with ()rthos3 & silvery Mica. St. Piero 1 Elba. 



with Oithoftn & polychromatic Tourmaline. 



St. Ilario, Elba. 

 ,, with altered Stibnitc & Sulphur. Le Cetine di , , 



Cotorniano, Italy. 

 with Crystals of Stibnite ., 



,, and Calcite. 



with Stilbita. Bor Ghat, India. 



,, with Haematite & Chlorite. Perthshire, Scotland. 

 Quartz Crystals on Granite. 



loose. Piedmont. 



