PKECIOUS MINEEALS AND BUILDING MATEEIALS. 193 



works in the Irkutsk government, and also for the needs of several works in the Kirghiz steppes, 

 iire-clay and fire-resisting sandstone are worked. The former is also obtained in the Yeniseisk go- 

 vernment near the village of Kantat in the Krasnoyarsk district, near the village of 

 Parilovaya in the Achinsk district, as also in the Irkutsk government along the river Bielaya. 

 Kaolin and white clay for the porcelain works are worked in the Irkutsk government in se- 

 veral places. Feldspar and quartz for glass factories are obtained from several deposits in the 

 Baikal mountains of the Irkutsk government. 



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