Show MICA INDUSTRY OF NORTHWEST VT Washington ashington Mica i Co Has Some of Finest Deposits in In World R It W Yo Gunyon and M. M r r. r E E. E Tiller of at Spokane have ha b been en In fn Salt SaIl Lake Lako the tho past week representing tho tiro Washing Washing- Washington ton Mica lIca company compan They brought down from tho the great northwest some of ot the tho finest samples of oC crudo crude sheet mica ever seen In n this city They were cro big readily cleaved clea squares and al almost almost almost al- al most as transparent as ns glass About tho the anI only place mica Is ia found In Utah In quantity but so far not of at commercial commercial commercial com com- mercial quality duality fo Is In Bo Box Elder county count whore where there thera are arc quite extensive e out- out But Dut these have e never been prospected to depth Wyoming has considerable mica in places and other othe western states have deposits but the industry has hag never ne thrived In this sec sec- tion Referring to ta ml mica In general Mr rr Gunyon says sas that this Is bono ono one of the tho most mast widely distributed of oC minerals but quality Is 13 generally lacking It Is found faund In granite o. o and anti gneiss Thero There aro are two principal commercial micas muscovite Ite and Tho The first Is potash mica the latter magnesia magnesia magnesia mag mag- nesia mica The Tho specific gravity Is la about 28 Tho The principal mad modern ern uso use for sheet mica has lias developed in tho electrical In Industry Industry industry In- In as an insulator There Thoro Is at nt present no substitute for tor mica ns an I electric Insulator and Professor ProCessor CoUes Colles says sars Nor Nar Is there thero ever er likely to ta bo boo although of course other Insulators might be bo used if IC mica were unobtainable able lie Ho says sas again It is not only ono one of oC the best beat Insulators known from the tho standpoint of ot resistance to puncture puncture ture infusibility and perfect Impregnability Impregnability to moisture but has physical toughness qualities qualities toughness elasticity flexibility flex flox- and tho extreme extremely thin leaves In which it may be obtained While it Is suitable for tal almost all nU kinds s of ot electrical work it finds ita chief uso use in fn of ot dynamos for far Interposing between the tho segments thereof It finds Clods Us its Va way Into tho tyro elec elec- electric electric stove the electric smoothing Iron Iran tl t attar r s VII on all an automobile the lIe curling Iron the submarine the tho flying machine In tho the spark plugs Into nta decorations such aa as wall papers Christmas Christ Christ- mas snow lubricants and many other things Ground pulverized and crushed mica has many uses in addition to Its decorative uses It is an ingredient of oC all aU paper figments and absorbent of ot glycerine in explosives es a fireproofing material for Car pipe and firebox firebox fire fire- box coverings co a surfacing material for roofing felts and in fact Its uses aro are almost almast without number It has even en been employed in India as a 0 amedid medicine ae With tho the Increased us use uso of ot mica In electrical work has come camo a L large largo ad advance advance ad- ad vance anco In the price of oC mica Eugene Munsell of ot New York City quotes tho the prices of or sheet mica cut into different sizes from one by one Inch up to an Inch as being worth from 3 per pound up to 42 per pound Tho The Washington 1 Mica lIca company compan according according ac ac- ac- ac cording to to Harold Evans Eans Elliott geologist of ot Spokane owns the tho largest deposit of ot high grade muscovite mica In tho the United States miles from Spokane covering co acres of ot this mica deposit |