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| Auburn, Alabama 36849-5305 cookrob@auburn.edu Rhodonite Downloaded by [Universite Laval] at 20:02 10 July...introduced to the hobby through the lapidary arts, rhodonite may well have been the first pink mineral with...from only a relatively few occurrences. Although rhodonite [CaMn4Si5O15] would seem easy enough to identify...identify, much material initially considered to be rhodonite based on sight identification may not be, for...associated. Classic localities for fine crystallized rhodonite specimens include Franklin and Sterling Hill, |
 | | Journal (article/letter/editorial) |
| stable over a very wide range of pressure and temperature, and their wide range of compositions makes them...found at Hashupa and at Alchuri, in the Shigar Valley, Northern Areas, Pakistan (Blauwet 2006). • Good...the wide variety of aesthetic combinations, which range from isolated olive-green epidotes perched on large...garnets in a typical skarn assemblage, from Saline Valley, California. When this material was found, the...years and are destined to become a “classic” occurrence. Many other localities for good epidote specimens |
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| ............. Ore deposits of the Red Mountain region _.. ......_.............----.....__. General.....Diagram illustrating common occurrence of kaolin in the Red Mountain region................. ............of principal mining claims in the Red Mountain region ....... 11. Sketch section across the Silver Lake...east-and-west section, illustrating in a general way the occurrence of ore in the Saratoga mine.... ...............be spmewhat changed Avhen the field work in this region is completed. To Mr. S. F. Emmons, geologist in |
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| deeper circulation _____ _ _____ _________ The region of nearly stagnant waters _ Pulsating movements...sulphide zones._ _ ______________________ 172 Occurrence of the copper minerals_________________ 176 Copper-bearing...Arizona________________________ 228 San Francisco region, Utah, by B. S. Butler_________ 229 Yerington,...Silver-lead deposits 268 Silver-copper deposits 269 Occurrence of silver minerals_________;__________ 270 Silver-bearing...California________________ 327 Nevada City and Grass Valley, California__________ 327 Ophir, California __ |
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| - - - · - - · - - - - - - · · - - - - - · 85 Occurrence .......................... - .. - . - ... - -...... ---.----.---.--.---------------- - -· 86 Occurrence ............................... ___ ... __ ....__________________________________________ -. _.- _.-- _- _86 Occurrence _________ ... _. __ ........ _. __ ..... _.....______ ... _. _. _______ .- .... _. _.. ____ _ 88 Occurrence _________ ... _. __ . __ .. _.. __ . ___ . _...___ .. __. _. _____ _ 89 General character and occurrence ___ . ___ ·... _. ____ ... ___. _. _. __ . _____ |
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| the earlier history, indeed the prehistory, of a region. Conglomerates speak of a time when high nearby... Cleavage: distinct. Fracture: shell-like. RHODOCHROSITE Color: Luster: rose. nonmetallic, glassy to...prismatic. shell-like to Fracture: uneven. RHODONITE Luster: glassy. Hardness: 5.5-6. Cleavage:... ZA aX Description of Minerals Actinolite Occurrence: Occurs generally in crystalline schists and...Remarks: A common rock-forming mineral. Albite Occurrence: Occurs in small crystals or, more often |
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| discovery of an original(?) reference to a species' occurrence was a delightful triumph. Many original references...preservation of authenticated specimens of each mineral occurrence. Most species are abundant enough that they will...rule is usually true only for special items from a region. The common minerals are not usually thus affected...specimens sell for a premium is that visitors to a region seldom arrive when the supply of minerals is being...journals are devoid of useful systematic and occurrence data. The amateur mineralogist provides an important |
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| " However, this problem became such a common occurrence that it made more sense to drop this boring repetitive...senior author. Occurrence Wherever possible, I have tried to include the type of occurrence. This may be...This is a very short statement about the mode of occurrence: grains, crystals, aggregates, etc. as well as...France Germany Greece India Italy Japan Kazakhstan Kyrgyzstan Moon Nu111ber of Species Number of Species...Saint-Hilaire, Rouville County, Quebec, Canada. Occurrence: A single crystal (coated by an unidentified |
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| .......................................... The region of nearly stagnant waters........................the copper minerals.......................... Occurrence of the copper minerals.........................the silver minerals.......................... Occurrence of the silver minerals.........................compounds...................................... 135 Occurrence of the lead minerals...........................compounds...................................... 140 Occurrence of the zinc minerals........................ |
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| Topaz (p . 2) - idiomorphic crystal (9 mm); Thomas Range (USA) Text by Rudolf Dud'a and Lubos Rejl Revision...System of mineral classification 8 Origin and occurrence of minerals 8 Associated minerals 11 Properties...Lastly, data on the genesis, associated minerals, occurrence and application are included. The tabulated section...the minerals in this book as well. Origin and occurrence of minerals In order to gain some knowledge of...certain mineral deposit or rock, and eliminate the occurrence of some others. Examples of associated minerals |
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| second guest activity was a tour of the Salt Lake Valley to experience its history, culture, and recent...ELEVATION IMAGES: AN EXAMPLE FROM THE COLORADO FRONT RANGE . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . 128 Range of Impact . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . 161 JADE AND RHODONITE DEPOSITS, BRITISH COLUMBIA, CANADA . . . . . ... . . . . . . . . . . . . . . . . . . . . 168 RHODONITE . . . . . . . . . . . . . . . . . . . . . . . |
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| Sections of this book are devoted to the origin and occurrence of minerals and gems, others to a study of various...Mineralogy helps us decipher the origin, chemistry, occurrence, and properties of minerals. Those who explore...example, corun- be of a size within the accuracy range of the or voids. It air cavities dum be dry when...fairly constant, chemical the measurement may range of a therefore an excel- It is make to is...a were developed. Such lamps now cover a wide range of relatively intense ultraviolet light, 23 24 |
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| Evdokimov CHAROITE: A UNIQUE MINERAL FROM A UNIQUE OCCURRENCE 3 Vladimir V. Bukanov CRYSTAL-BEARING VEINS...CHAROITE: A UNIQUE MINERAL FROM A UNIQUE OCCURRENCE The charoite occurrence "Sirenevyi Kamen— ("Lilac Stone")...stones. 1 1 THE DISCOVERY OF THE MINERAL The region in which charoite was discovered is rather difficult...Station on the Baikal-Amur main line. The charoite occurrence is located approximately in the middle of this...Before World War II, geologists passed through this region only with route survey. In one of the tales of |
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| . . . . . . . . . . . . Correlation with Uinta Range ......................... _......... _............................................ . ........... Valley deposits ................................. ·. ...of the geology and ore deposits in the Plateau region. The junior author, G. F. Loughlin, began work...Leamington district, and of districts in theW asatch Range. Several of the mining districts of the State have...was carried on in the Cottonwood-American Fork region. This work was interrupted by the war, but some |
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| .............................. Character and occurrence.................................. Metamorphism............................... *Condition of the region in pre-Cambrian time................... Algonkian................................. Character and occurrence. .^ ........................... Smithfield limestone............................................... Occurrence........................................................................ 39 Taconic Range and Housatonic Valley.............................. 39 Stockbridge |
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| Zion porphyry_ 50 Other porphyries in Mosquito Range re51 gion _ Age relations of porphyries at Leadville_...Psilomelane and wad_ 156 156 Pyrolusite _ 173 Rhodonite _ 156 Zinc minerals.. _ 173 Serpentine _ 156 In...Hydrozincite_ _ 176 Ankerite _ 157 Aurichalcite _ Rhodochrosite _ 176 158 Calamine _ 176 Barite_ Hetaerolite...231 and relation to structural features_ _ 179 Occurrence 1 231 Relation of veins to erosion 1 180 Megascopic...1 Analyses 1 236 Pyrite-chalcopyrite ore 1 185 Range in metal content 1 1 236 Highly siliceous ore1 185 |
