M!>TES OF PEirKYOMEX. 



It may be sat'^faetory to many roa^lers to be inform- 

 ec! of the mino'ii' in-oductioris of Perk} omen. At iirst 

 one ore only was fonnc! ; at present, however, they arc 

 numerous. The followino- catalop;ao will f ;rnisli a pret- 

 ty accurate account of the ores, stones, &c. which have 

 ieen found. 



1. corPER or.E, c. Carbonatr- of lead. 



tf. Yellow copper ore. ^i Pho-^phat*^ oflead. , 



b. Pracocktail copper ore. e. iMurio carbonate of lead- 

 c Phosphate of copper. 3. sc^c ore. 



t/. Malachite. «. Vellow blende. 



c Grey copper ore. b. B!a-k blende. 



f. Mountain blue copper ore. c. Calamine. 

 g. Oxid of copper, &c. .4. jp^qn ore. 



2. LEAD ORE. a. Iron pyritc?. 



o. Cubic galena. b. Oxid of iron &c. 



b. Steel grained lead ore. 



The stony productions are numerous; of these we 

 may reckon the following: 



1. Quartz, crystalized and amorphous. — The crystals 

 areeither pyramids, or prisms with the ends pyramidal. 



2. Limestone (primitive.) 

 3 Argillite. 



4. Barytes, combined with sulphuric acid forming ba- 

 roselenite. 



Coal has been discovered in the vicinity of the mine, 

 in strata of argillaceous schist. 



Aurora. 



MINERAL BL\CK. 



\ black mineral substance, discovered near Nazareth, 

 (Penn.) in very large quantities, proves to be the most 

 valuable and most permanent black paint of any hither- 

 to known. It is prepared in the same manner as other 

 paint ; no rains or weather affects it ; ago increases its 

 permanency, and roofs and boards that were painted 

 Avith it six years ago arc become so hardened as 10 be 

 bored with great ditficulty. For ships, boats, &e. it musfc- 

 t>e very sciviccablc. Boaton CcntincL 



