SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. HO, NO. 12, PL. 3 



mh^ 



I. A pli-ssilc tiolil filU-il with nrii-iitcil iK-edlcs (l.inic-ll.-u-) of katnacilc. In the criitrni (Hirlion 

 ihoy a|i|><.'.-ir in a Kr<itin<l mass cif di-nse iinri-soIviMl k'-ininia-nlpha aKKrcKatc: in llic outer 

 IMirtioiis thfv arc in clear, fully transfornicil tacnitc. I'icral jo scconcjs X ^s. 



\ 



■^^x 



' 'rcr^^.'i.-K^ — Vi-i^^-"*- 



-•. Part of a laruc complex plcssilc field. Tin- tipiTt Irfl i».iti.ii <.I-...«. c'-iniil.ilr'l V.itn.icite 

 with clroplike tacnile particles aloiiK Krain U ■ 

 laiiirllac. In ttir central part areas of ilark 



t.ieinte ami separated l»y lamellae of kaniacH' \ 1 



laenite (the latter gray l>ccaU9c of .luiicrsaturatioiu ami, ,il lt*Mcr tuilit. >cliicil>ci»i(c UaIick. 

 I'icral JO <»ccnnrls X 65. 



