 | | Book (edition) | | gem stones mon dull are as hard or harder than quartz, a com- mineral everywhere present as dust which...Hardness Scale 6. Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4...Your will scratch orthoclase feldspar but not quartz. In making hardness appears to be a scratch paper...the general arrange- ment of these surfaces. Quartz and amethyst, for example, are frequently crystallized...SPODUMENE DANBURITE DATOLITE GARNET FLUORITE QUARTZ CRYSTALS SPINEL STAUROLITE •^^ VESUVIANITE |  | | Journal (issue) | | DECORATIVE-ORNAMENTAL STONES OF VIRGINIA D. Allen Penick, Jr. Virginia is noted particularly for beautiful...amazonite, fine moonstone, and topaz. In addition Virginia is well known for staurolite, prehnite, turquoise...minerals, rocks and organic materials found in Virginia, which have been used as gemstones and decora...report. Many of the localities will be familiar to Virginia mineral collectors. Someof the areas mentioned...collect minerals. There has been much written on Virginia mineral localities but no reports are available |  | | Report (issue) | | the cover—Turquois crystals from Lynch Station, Virginia; x ca.; pho tograph by Neal Ycdlin; color plates...C. A. Michael. COLD NUGGET FROM SPOTSYLVANIA COUNTY: Longest dimension approximately 13 cm., photograph...of Virginia R. V. DIETRICH* Professor of Geology and Associate Dean of Arts & Sciences, Virginia Polytechnic...Polytechnic Institute Research Division Bulletin 47 Virginia Polytechnic Institute, Blacksburg, Va. 24061 *... © R. V. Dietrich and the Research Division of Virginia Polytechnic Institute, 1970 Printed and bound |  | | Report (issue) | | Pleaoc teturn this publication to the Virginia Geologieal Survcy whcn you havc no further uce for it...COMMONWEALTH OF VIRGINIA STATE COMMISSTON ON CONSERVATION AND DEVELOPMENT VIRGINIA GEOLOGICAL SURVEY...Deposits of Virginra BY ARTHUR A. PEGAU UNIVERSITY, VIRGINIA 1932 COMMONWEALTH, OF VTRGINIA STATE COMMISSION...COMMISSION ON CONSERVATION AND DEVELOPMENT VIRGINIA GEOLOGICAL SURVEY ARTHUR BEVAN, State Geologist Bulletin...33 Pegmatite Deposits of Virginia BY ARTHUR A. PEGAU UNIVERSITY, VIRGINIA 1932 RICHMOND: DrvrsroN |  | | Journal (article/letter/editorial) | | mineral has been mined quite extensively in Clay County, Alabama, from one end to the other. It is quite...Tourmaline: Mass of black tourmaline xls in massive milky quartz. From Catalina Mts., near Oracle, Pinal Co., Ariz...south of Antimony Peak, near Hollister, San Benito County, California. While it might sound like exaggeration...huebnerite, a somewhat rare tungsten mineral; clear quartz xls; and sphalerite xls. "Sometimes a small vug...Biotite: black, radiating plates on massive smoky quartz. Calcite: white, cleavable (fl. yellowlong wave) |  | | Journal (article/letter/editorial) | | tell me what it is. It doesn't quite look like quartz to me, and in most of the pieces the xls are jet...366 xline—crystalline The specimen is quartz (smoky quartz) and it is in coarse drusy xls. It is an...specimens of quartz that came from a rock quarry in North Little Rock (Pulaski Co.), Ark. This quartz was found...wide with a gummy, greasy residue covering the quartz. I am sending you also some of this residue jelly...which seems to carry water and is full of tiny quartz xls — this is very odd for this part of the country |  | | Report (volume) | | the ruby, sapphire, spinel, emerald, rutile, and quartz of gem quality have been synthesized. The best...Fluorite Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each...of silica (quartz, 7 on Moh's scale) particles, a gem stone should be harder than quartz. Some minerals...react to heat are: violet quartz (amethyst) changing to orange brown, smoky quartz to yellow, pale-green...sapphire, star sapphire, star ruby, rutile, and quartz are gem stones that have been successfully synthesized |  | | Journal (article/letter/editorial) | | the old open pit Sodium Sulphate mine in Imperial County near BertROCKS AND MINERALS ram siding on the...pocket was lined with feldspar, and smoky quartz xls—the quartz xls are of good gem quality on the inside...a secondary crystallization set in forming the quartz and goethite which produced the onegite. Also running...running through the mass was chalcedony-looking quartz which sometimes pointed up into terminations around...almost complete solid base of white-albite. "No. 3—Quartz and Epidote. This is from a pocket we found in |  | | Book (volume) | | gold-bearing areas. Lode deposits usually consist of Quartz veins in solid rock, while placer deposits occur...Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside...Guide for Rock Hounds in the United States BARTOW COUNTY AREA, Saltpeter Cave, as floatjasper. CARTERSVILLE: |  | | Journal (article/letter/editorial) | | near Glen wood, Pike ROCKS AND MINERALS, p. 123. County, Arkansas. Mr. Young also sends a note on a Downloaded...development near Mountain Pass, San Bernardino County, Calif. Molybdenum Corporation of America is at...and broken (by nature) and imbedded in massive smoky quartz, have been found in Willimantic, Windham Co...scarce; found only one nice specimen with drusy quartz. At Crystal River limestone quarry (Crystal River)...Museum in Jacksonville which had one showcase with quartz minerals on display. The museum had a small storeroom |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...4B^ Diamond M Tourmaline ^P Ruby. Sapphire O Quartz crystal ^J^ Garnet __ Azurite, Malachite, Chrysocolla...with respect to one another. gem minerals The quartz gems, such as amethyst, form crystal prisms with...another at 60 degrees and intersected by a fourth Quartz and vertical axis at right angles to the other...other, light) FELDSPAR TWINS I J PHENACITE QUARTZ CRYSTALS ffrl (^h /&> ^& \b^ ^ VESUVIANITE |  | | Journal (issue) | | ..................................... AMETHYST-SMOKY QUAR1Z-TOPAZ IN NORTHERN NEW HAMPSHIRE. By Harold...Everitt ................ SOME RECENT BERYL FINDS IN VIRGINIA. By W. R. Brown .... RIEBECKITE FROM WEST QUINCY.................................. (0PPER•STAINED QUARTZ FROM ARIZONA ....................................ASSOCIATION lock Vol. 20, No. 6 ardally AMETHYST - SMOKY QUARTZ ritaIn Northern New Hampshire •eek IJU• ,ubBuPril...localities where a large quantity of amethyst and smoky quartz, and a smaller amount of topaz have been found |  | | Book (edition) | | MARIN COUNTY FREE LIBRARY 3 1111 00289 4184 \ I s Fifth Revised Edition A complete, state-by-state...Diamond M Tourmaline fQl Ruby, O Sapphire Quartz crystal 'y^ Garnet — Azu rite, Malachite, Chrysocolla...fluor-spar from Derbyshire or, perhaps, a pyramid of smoky quartz from Cumberland. The next it may be rock crystal...Talc 6. Orthoclase feldspar 2. Gypsum 7. Quartz 3. Calcite 8. Topaz 4. Fluorite 9. Corundum...faces are placed with respect to one another. The quartz gems, for example, such as amethyst, form crystal |  | | Book | | CHAPTER 4 Maryland ... 3 CHAPTER 5 Virginia 4 1 CHAPTER 6 West Virginia 5 CHAPTER 7 Kentucky 6 CHAPTER...streams and rivers f o r epidote, unakite, blue quartz, agate, chalcedony, petrified wood and other gemstones...Virginia's noted Rutherford Mine. Photograph by Dr. Virginia Lee Blackford. ical pearls in delicate pastel...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and...the well known old Rutherford mine in Amelia County, Virginia, and found bright spessartine garnets, glowing |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...S, R. 10 E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | 600 to 800 feet thick in the north. ALEXANDER COUNTY FAYVILLE, area stream gravels⎯agate, jasper, rare...⎯agate, jasper; d RR siding of Clay⎯agate. CALHOUN COUNTY AREA, shores of the Mississippi R., in the Warsaw...Amethysts, or Quartz crystals). CRAWFORD COUNTY PALESTINE, area deposits⎯Siderite. EDWARDS COUNTY AREA, T...S, R. 10 E, regional deposits⎯Siderite. FULTON COUNTY FARMINGTON, W 6 mi. on Rte. 116 to the Rapatee...mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY COUNTY AREA: c Regional rd. and RR cuts and banks of Mason |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (volume) | | ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...townships of Washington, Virginia, Bedford, Jackson, Jefferson, Bethlehem, Monroe and Clark; on regional...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay |  | | Book (volume) | | from 18’ to 27’ long. In addition, gem Garnets, Quartz crystals, Topaz and Tourmaline add to the fascination...beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles |  | | Book | | HfiRIN COUNTY FREE LIBRfiRY 311110G386652Q I V Russell P MacFal A COLOR TREASUF FOR COLLECTORS...to Hunting Locations ? i 9 GIVEN TO THE MARIN COUNTY LIBRARY BY MARI N L MTNF.RAT. SOCTETY DAVID...Geological Surveys Distribution Branch. 1200 Virginia 22202. Those S for Eads Street. Arlington...may be able to buy specimens. map of Keweenaw County. Mich- Part of the U.S. Geological Survey topographic...grained granite rugated cardboard where of the quartz t it hits your ribs; then layer of newspaper |  | | Report (issue) | | general information on a number of mines in Grafton County and extended other kindnesses; M. M. Kilton, of...Keene; and Edward Howard, of East Alstead; in Virginia by P. Lippert and Capt. McCray, of the Ridgeway...more normal phases is com'posed of feldspar and quartz, with or without mica and other minerals. It is...crystals, some of which may be several feet thick. Quartz occurs in several ways in pegmatite either intermixed...out into large separate masses. The segregated quartz may form sheets or veins in the interior or along |  | | Journal (article/letter/editorial) | | on the Post territory which covers most of Yuma County, Arizona, and a small area in California."—letter...Liggett military reserjade deposits in (Monterey County) Cali- vation are some of the very few found on...Middlesex signed to conserve the stone for removal County, Conn., was sent in by Richard by legitimate collectors...value of the remaining jade. The firms have been of quartz, diopside and actinolite, associblasting the deposits...specimen consisting of grayish sparkling drusy quartz xls in a large cavity of grayish chert was sent |  | | Journal (issue) | | . . . 38 QUAR1Z GEM STONES OF CALIFORNIA. By Henry H . Symons.. 39 A WAR INCIDENT . .... ... ........ASSOCIATION }v Whole No. 103 QUARTZ GEM STONES OF CALIFORNIA By HENRY H. SYMONS, Curator of Museum ...state could contribute one or more varieties to the quartz gem stones. Among the men who helped to bring these...counties, some of which were blue chalcedony, rose quartz, myrickite (named for him), bloodstone, and others...state including the chrysoprase mines in Tulare County. The late H . E. Harper of San Jose, and J. J. | | | Book | | D1stn but1on Branch 1200 S Eads Street Arl Ington Virginia 22202 Those for areas west of the M1ssIssIppI...topographic map of the Delaware q uadrangle o f Keweenaw County, Michigan This ,s an example o f the more picturesque...frlled with geodes lined with glittering calcite or quartz. Otten these can be found where they have been...known as pegmat1te Prospectors look for pieces of quartz and mica then try to trace the long narrow pegmat1te...looking for stains or changes In the pattern of the quartz and feldspar mass that would lead to a pocket of |  | | Book (volume) | | Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache...AZ; Richard A. & Tresa L. Kosnar, Golden, CO: Virginia & Larry Kribs, Desert Dog Mines, Bend, OR; Guy...Resources, Vancouver, BC; Barbara L. Muntyan, Ouray County Historical Society, Ouray, CO; Merrill O. Murphy |
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