HALL 70. 
CARBON MINERALS. 
This hall contains a series of the carbon minerals, beginning 
with the diamond, and passing through graphite, the coals (anthra- 
cite, semi-anthracite, semi-bituminous, bituminous and lignite) to 
bitumen and asphalt. 
Case lA. — Diamonds from Kimberly Mines, South Africa. 
“ Blue ground ” or matrix in which diamonds occur, from DeBeers 
mines. Cape Colony, South Africa. 
Case IB. — Graphite and manufactured articles in which 
graphite is an important constituent. 
Case 2A. — Varieties of anthracite coal. 
Case 2B. — Semi-anthracite coal; semi-bituminous coal; 
Bituminous coal. 
Case 3A. — Cannel coal; bituminous coal. 
Case 3B. — Lignite; peat. 
Case 4. — Crude and refined petroleum. 
Case 4:B. — Eggette and block coal, manufactured from 
slack. 
Case 5 A. — Coal slack; American, German and French 
briquettes manufactured from pressed coal; Coal shales. 
Case 5B.— Varieties of coke. 
Case 6. — Asphaltum minerals. Petroleum shale. 
Case 7. — Applications of asphaltum. 
North Platform. — Section of coal seam five feet in thick- 
ness, from Duckenfield and Merthyr collieries. New South Wales. 
Blocks of anthracite coal from Pennsylvania, Washington and 
West Virginia. Kerosene shale and cannel coal, New South 
Wales. Block of asphaltum weighing one ton, California. 
Case 8. — Coal from various localities in the United States. 
Case 9. — Coal, England. 
Case 10. — Coal, Saarbriicken fields, Germany; substances 
produced from the bye products of coke ovens; petroleum, Russia. 
Cases 11 and 12. — Coal, Westphalia coal fields, Ger- 
many. 
