 | | Book (volume) | | and discusses those species which are primarily cut as gemological curiosities with little or no regular...commerce. Coarser gemstones, or those which are rock-like in character or abundance, are treated in still...Alaska, provided data on gemstones found in that region; the Southern Onyx and Marble Company of San Diego...well-known Texas agate localities of the Alpine Region were described in detail by J. Frank Woodward...photographs illustrating scenes and gemstones of this region were generously provided by George Ashley and Roy |  | | Book (edition) | | Star of Arkansas crystal 3. Star of Arkansas marquise cut gem 4. Mounce diamond crystal 5. Gibson's Ruby...Drawing of beryl crystal forms 14. San Pedro mine, Pala, California 15. Morganite crystal from Pala, California...pegmatite, Baja California 22. Drawing of topaz crystal forms 23. Views of opal mines, Spencer, Idaho 24...Illustrations 29. Miners at Crystal Peak, Colorado 30. Pegmatite pocket, Crystal Peak, Colorado 31. Spodumene...Maine 35. Large tourmaline crystal from Dunton mine, Newry 36. Tourmaline crystal termination, Dunton mine |  | | Report (volume) | | coming into such favourable notice, is within railway reach, but, it is to be feared, at too great a...worked to some extent by the old miners. the of main favours Mr, west tract area gneissic the on out...than a partial influence in this direction ; the main cause being attributable to the increase of the...Bilaspur Distjricts) down to the Nagpur-Bengal Railway line: thus leaving his geological boundaries ready...comparatively costly material now imported from Germany from India product of new this exportation up and |  | | Book | | the structure, and of lore. Christian the crystal color. lan- signif- chemical optical properties...part is anywhere an beryl deposits, of fine crystal Sinkankas has in the literature, encyclopedic... Contents Therapeutic Uses Beryl, of Emerald and Germany, Eyes, 76 77 Spain, Childbirth, and Fertil78...90 Emerald Lore in Colombia and Peru, 5. 93 Crystal Structure Chemical Composition of and Beryl...Inspecting Algeria, 328 Rough, Inclusions in Cut Gems, Chatoyant Beryls, Angola, 361 329 Antarctica |  | | Report (issue) | | many sections of the work and made most of the crystal drawings. For a portion of their time on this project...(Nb) instead of columbium (Cb). CRYSTALLOGRAPHIC Crystal Class Symbols i, 2/m, m3m etc. • Miller Indices...010, 110, hkl, etc. • Identification of Faces on crystal drawings • • Face or Form Symbol a b C !l d... 100, (010, Wulfenite) 010 001 100 on twinned crystal hol, monoclinic, orthorhombic hko, tetragonal (011...more complele statement of the nomenclature of crystal forms the reader should consult paces 3-37 (Morphological |  | | Book | | important cut stones 22 Large pink and red topaz 26 Large imperial topaz 27 3 Chemistry and crystal structure...Trace element chemistry 33 Synthesis of topaz 35 Crystal structure 36 The OH group and symmetry problems...Czechoslovakia 173 East Africa 174 Federal Republic of Germany (including the former German Democratic Republic)...as often stated in the gemmological literature. Crystal system Pure F topaz is orthorhombic, as OH is...Non-orthorhombic topaz is piezoelectric and pyroelectric. Crystal habit Prismatic, short or long; prism forms {110) |  | | Book (volume) | | of Colombia. The land-locked character of this region greatly restricts the city’s trade and development;...and a number of religious and public edifices. A railway from Buenaventura will give Cali and the valley...calibrating the scale. A metal template may then be cut out in the form of the calibration-correction curve...historical importance. It is served by the Madras railway, and is the chief seaport on the Malabar coast...Physiography.—The physiography of the state is simple; its main features are few and bold: a mountain fringe along |  | | Journal (issue) | | better. $3.00 lb. Minimum 10 lbs. 2 . Brilll•nt Cut Dl•monda. Commercial quality. 2¼mm about .04 pt....and 2. Stet• Line Gem and Mineral Society. Annual Rock Swap. Wauseon Fairgrounds. Wauseon. OH . 8-6 and...Bakerstleld, CA 93308 June 1 and 2. Lloydmlneter Rock and Gem Club. Show. Legion Hall. Lloydminster. Alberta...Davenport. IA 52803. Camper hookups, food. Rollin' Rock Club Meeting . June 1 and ~- StNle County Gem and...Dealers. June 8 and 9. 2nd Annual Swap. sponsor: York Rock and Mineral Club. Picnic Grounds, Rohlers Church |  | | Journal (issue) | | Where the moon hangs low and large and bright? Those rock-strewn mountains seem empty and bare; No greening...FICTION 24 By BERTHA H. FULLER CLOSE-UPS 24 Hard Rock Shorty of Death Valley . . PHOTOGRAPHY About those...meal of quail or doves within a block of the Blythe main street, gunfire was no novelty, but when a second...Centro. Utting and Meadows took one side of the main street and Hi Anderson and I the other BLYTHE ...lizard Bird . Species of antelope . Rodent 2—Window Rock, Arizona, is on the reservation of the—Navajo Hopi |  | | Report (volume) | | bibliography. Headings. The headings comprise the main subdivisions of the index and are recognized by...by name of field. Papers written for the layman. Rock names and areas; restricted to new or unusual rocks...or State and foreign geological surveys. Chemical rock- or mineral-forming systems; alphabetically by formula...Mineralogic, and Petrographic. Entries.-. Entries form the main subdivisions of headings and are indented four spaces...under any of the subheadings used, they follow the main heading directly. Under both the geographic and |
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