Brauns, R. (Reinhard), 1861-1937, Spencer, Leonard James, 1870- · Esslingen a. N. : J. F. Schreiber · leaf 412
etimes present, are never of large size. The common faces are sufficiently large and smoothly developed for the angles between them to be easily determined with the contact goniometer; we find: oo p to go p (g to g) = 1013/4 °; 0 P : l/2 P (ad) = 141°; 0 P : P (a /) = 12774°. The crystals are at… … Fig. 267. Sperenberg (plate 79, fig. 4). Globular Rose-like aggregates of Barytes crystals ("Barytes-roses”) from Rockenberg, Hesse. masses of barytes with an internal radial- fihrous or platy structure also occur; and sometimes dendritic forms like that of wollastonite shown in plate 2, fig. 5.…
Mineralogy
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![An illustration from Historia novi et admirabilis fontis balneique Bollensis in Ducatu Wirtembergico ad acidulas Goepingenses : mandato illustris. principis ac D.D. Frid. Ducis Vvirtemberg. et Teccensis. Comitis Montisbelig. &c. ac Equ. Ord. Reg. Gall. ad subditorum omniumqu[e] vicinorum & exterorum emolumentum ob vires insignes adornati, (1598)](https://img.insideoutlibrary.com/img/200/ia-historianovietad1598bauh-388-146.webp)
