MINERALS COLLECTED. 387 



Magnetite. Ferric and ferrous oxide. 



Spring Creek, Burnet County. Clear Creek, Burnet County. Little 

 Llano region, Llano County (small quantities). Near Yoakum Creek, 

 Llano County (very little). Baby head Mountain, Llano County. Iron 

 Mountain, Llano County. Cold Creek, above Smoothing Iron Moun- 

 tain. Llano County. Near Castell, Llano County. King Mountains, 

 Llano County. Near Pontotoc, Mason County. West of Pontotoc, 

 Mason County. Bode Peak region, Mason County. North of Fly Gap, 

 Mason County. Kothman Gap, near Fleming, Mason County. Cay lor 's 

 diggings, Mason County. Riley Mountains, Llano County. Near Sandy 

 Mountain, Llano County. 

 Malachite. Hydrous-copper carbonate. 



About three and one-half miles east of Valley Springs, Llano County. 

 Babyhead region, Llano County. Yoakum Creek, Llano County. 

 Houston and Texas Central Railroad lands, on Little Llano Creek, Llano 

 County. Miller's mine, Llano County. Wolf and Pecan Creek waters, 

 Llano County. One mile north of west of Koochville, on Comanche 

 Creek, Mason County. Capt. McGehee's property, head of Little Llano 

 Creek, Llano County. 

 Manganese Stain. 



Near head of Martin Creek, Mason County, on quartz. Riley Moun- 

 tains, Llano County. Area near Click, Glen, and Sandy gaps. End of 

 Sharp Mountain, Llano County (stain on quartz). 

 Marcasite. Iron sulphide. 



Occasionally in some localities given under pyrite. 

 Margarite. Hydrous-aluminum-calcium silicate. 



West of Fly Gap, on road to Pontotoc, Mason County. Waters 

 Creek, east of Riley Mountains, Llano County. Honey Creek, Llano 

 County (in white quartz). 

 Margarodite. Hydrous mica. 



Llano and Gillespie counties, in Archaean schists. 

 Martite. Isometric form of ferric oxide. 



Barringer Hill, Llano County, south of Bluffton. 

 Melanite. See Garnet. 



In float in Little Llano Creek, near Lone Grove, Llano County. 

 Menacconite. Ferric oxide with titanium replacing part of the iron. 



(See Ilmenite syn.) 

 Metagadolinite. (New mineral announced recently.) 



Barringer Hill, Llano County (encrustation on gadolinite). 

 Mica. See Biotite and Muscovite. 



