MINERALS COLLECTED. 381 



Beauxite. Hydrous aluminum-ferric silicate. 



Silver Mine Hollow, Beaver Creek, Burnet County. Near Suttons', 

 northwest of Long Mountain, Llano County (occurs in quartz). Little 

 Llano Creek, seven miles above Lone Grove. Near head of Cold Creek, 

 Llano County. Near Smoothing Iron Mountain, Llano County. King 

 Mountains, Llano County. Near Field Creek, Llano County. East of 

 Yoca, McCulloch County. West of Voca, McCulloch County. Voca 

 and Camp San Saba road at crossing of San Saba River, McCulloch 

 County. North Mason Mountain, Mason County. Little Bluff Creek, 

 Mason County. Usually mixed with other hydrous iron ores. 



Biotite. Hydrous aluminum-ferric-magnesium-potassium silicate. 



Shannon's quarries, Burnet County. Near Spring Creek, Burnet 

 County. Clear Creek, Burnet County. Barringer Hill, Llano County. 

 Near Lone Grove, Little Llano Creek, Llano County. North of Lone 

 Grove, on Fisher and Miller survey, Llano County. Miller's mine, Llano 

 County. Johnson's Creek, Llano County. King Mountains, Llano 

 County. South of Panther Creek, Field Creek, Llano County. South- 

 east of Camp San Saba, McCulloch County. North of Mason Mountain, 

 Mason County. Honey Creek, near Menardville road, Mason County. 

 Rabb's pasture, Llano County. North Sharp's Mountain, Llano County 

 (in granite). Near Garner? Crossing, northwest of Gainesville, on Llano 

 River, Llano County (in graphic granite). 



Bornite. Copper-iron sulphide. 



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



Braunite. Manganous-barium silicate. 



Riley Mountains, Llano County. Chaney's diggings, south of Pack- 

 saddle Mountain, Llano County. 



Bronzite. Magnesium-ferrous-aluminum silicate. 



Head of Clear Creek, Burnet County. Near Gainesville, on Llano 

 River, Llano County. 



Calcite. Calcium carbonate. 



Abundant in veins and special deposits in common forms. Rhomb 

 spar occurs in faults and fissures, especially of the east-west trend, in the 

 San Saba drainage, among Silurian rocks; also in Packsaddle Mountain, 

 Llano County, in a similar situation. Localities: East prong of Pack- 

 saddle Mountain, Llano County. San Saba River, below Five Mile 

 Creek, Mason County. Hinton Creek, San Saba County. See also 

 Calc- Sinter, Travertine. 



