605 



feWctt in tcr 5?atur »or!ommt. (EiniQe tvottcn jnjar on* 

 tic^men, c5 fei Slo^Icnfdure, bie in jicner 2^it Qtwixtt ^aU, 

 aUx bi'cC ifl nc(^ nit^t l>ett?icfcn. 



©c^webcn in ntc^reren dli^tnnc^cn ju burc^reifcn, ntcint 

 (JoraKcnfcinbpcm aU fle^enbe 23crgart jtoifc^en S3remfct)ro 

 wnb (latmar gcfunbcn ju ^aUn 5 cr ntu^ ut)n'{jcn(J fe^r tt>e* 

 nig tefannt fci'n, bcnn ba5 erfle ©croffe biefcr S(rt, ta5 ic^ 

 eincm meiner e^emoligcn Scorer ber 2)?ineratoQie gci'gte, 

 i^iclt cr fitr cm <BtM Jjcrftcincrten ^atmt>aum, unb bte 

 bcutf(^cn 3)?incraTo3cn fenncn i^n nic^t. 



Sin anbrcr nic^t n?cni(jcr hcmcxUniwtxt^cx ©anbjlcin 

 ijl bcr rct^lic^ grauc, tt>el(^er concentrifc^ !a^Ie, conif^c 

 at^Ocfonbcrte ©tiicfe cnt^alt, nnb »on bem i(^ nut tint 

 ^aiJfcnbe 23cfc^rei6un5 in (5mnter(in{j6 2)?ineralo0ie 3. 3^^. f5» 

 115gcfunben^at)e. 9?a(^ bicfeiJ ^rofc^foriS 5lu3fage fott man 

 eiucn a^nU'cf;cn Sanbflcin, fle^enb aU SBcxQaxt, t>ei SScf^o* 

 tt)ij tn SSo^men ftnbcn, Sluf SBorn^otm ^at ^rof* gorc^:? 

 jammer eincn a^nlic^cn 8anbflcin gcfunbcn, bcr bo^ bnrc^ 

 bic gorm bcr conifc^ atgcfonbcrtcn 8tiicfc »crfc^iebcn ijl*). 

 $lu(^ bcr aftcrc Santflcin obcr ^rappfanbflcin , vtctc^er 

 bcm ?ht55fe^cn nac^ ciniijc 5i§ntic^^cit niit bcr SfJagetpuc ^at, 

 fomnit ^in unb wiebcr J)or. 



2^ ben junnflcn atfcr ©anbfleintilbungcn fann mit 

 Sflcc^t cin (Jongtontcrat gcrcc^nct ipcrbcn, n>cl(^ed man 

 ntitunter j^e^cnb in ^l^crgcrgrukn fintct, unb i\>cl^c5 in 

 grcpcn flatten licgcnb in cincm an bcr ©cc jlofcnbctt 



•) >Dan|fe 53ibcnjrabevnc8 ©ct|Fab8 naturDi'benfPa&cli^c 09 tnat^c* 

 matijre 2Cfbanbitnopr . vii. ffiinb, ^ag. 115. 



