| stock is still available. From 2000 to 2010 some cavansite and apophyllite are said to have come from the...dealer K. C. Pandey disputes the presence of_cavansite_ or pentagonite at Lonavala. Junnar The beautiful...quarries, of which perhaps three still produce some cavansite and pentagonite. Their life span is estimated...collection; Jeff Scovil photo. Figure 15. Calcite on cavansite, 2.4 cm, from the Wagholi quarry complex, Pone...calcite scalenohedrons from Wagholi are unusual._Cavansite_Ca(V4+Q)Si 4O 10 -4Hi0 and Pentagonite Ca(V4+Q)Si |
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(2005, March) Sussex Mineral and Lapidary Society Journal 194. SMLS |
Journal (issue) |
| article on the eruption of the Grimsvotn volcano in Iceland. Having described the overall eruption the article...design can help. Tephra is a common .problem in Iceland and houses are designed with this hazard in mind...pitched roofs the 1973 eruption of Heimaey in Iceland, which created 1Orn of ash, resulted in only minor...colour to this tray, two attractive blue sprays of_cavansite_ on matrix were displayed from the world-famous...that was particularly striking. The substantial cavansite cluster from Wagholi was also very attractive |
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(1991) November - December 1991. The Mineralogical Record Vol. 22 (6) The Mineralogical Record, Inc. |
Journal (issue) |
| Julius Weber Mamaroneck, NY Articles The Wagholi cavansite locality near Poona, India .....................stibnite, and manganite. And think of the rage for cavansite; I have one I am proud of, but in aesthetic terms...Oakland, California 94610 A trove of royal-blue cavansite specimens that astonished the mineral community...learned more about the geological aspects of the cavansite occurrence. Con versations with local people...identified as the recently described mineral,cavansite. Two of those first specimens went to Harvard |
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(2003) Indian Zeolites and Related Species. The Mineralogical Record Vol. 34 (1) The Mineralogical Record, Inc. |
Journal (issue) |
| golden powellite from Nasik, and intensely blue_cavansite_ from Wagholi are the paragons of Indian basalt...position as regards the collecting and marketing of_cavansite_. The great finds at Jalgaon, beginning about 1990...localities that may produce green apophyllite, cavansite and powellite crystals. There are many other basaltic...Russia and of the North Atlantic (Nova Scotia, Iceland). But because of the low population density in...exposed in the Wagholi quarry near Poona, where cavansite was found in late 1988. Here the permeating solutions |
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Lagomarsino, James (2008) A Pocket Guide to Rocks & Minerals. Parragon. |
Book |
| Blue Calcite 52 Calcite 50 Smithsonite 54_Iceland_ Spar Aragonite Cerussite White Cerussite ELEMENTS...160 Hemimorphite Apophyllite Chrysocolla 142_Cavansite_144 Feldspar Muscovite Mica 146 Rainbow...example CARBONATES Calcium Carbonate Caco, _ICELAND_SPAR ees Spar is a transparent form of calcite...specimens was discoyered in a mine ‘in Eskifjord, Iceland, hence the derivation of the name. These days...2.7 Dee Mire ses to dull an White Occurrence: Iceland, Sweden, England, Austria, Russia, Brazil, USA |
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(2020, May) Rock & Gem Vol. 50 (5) Beckett Media |
Journal (issue) |
| Constant Companions of Zeolites STORY BY BOB JONES_Cavansite_ specimen mined from the Wagholi quarry, Pune,...recently appear on the market. Another blue mineral, cavansite, showed up in Oregon at the Owyhee Dam site, Lake...noted the initial 1961 unidentified discovery of cavansite was by two rockhounds, but it remained unrecognized...but when found in quantity in 1989 in India, cavansite suddenly became the darling of the MAY 202O 11...11 Non-Zeolite Minerals mineral world. Cavansite was found in the Deccan Plateau volcanics in four |
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(2003, January) Sussex Mineral and Lapidary Society Journal 181. SMLS |
Journal (issue) |
| son Sarni, who had helped us with entry to the cavansite_location at Wagholi. The Makkis had a number of...of the more usual cavansite) including a superb example with sprays of both cavansite and pentagonite alongside...YOUR DIARY 2003 Fri Jan 31* Thurs Feb 6 - 20_Iceland by Peter Hay SMLS Geotourism to Lanzarote. Co-ordinator |
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Hall, Judy (2006) The Encyclopedia of Crystals. Hamlyn. |
Book |
| Aragonite 155 Blue Aventurine 151 Hematoid 58 Cavansite 136 Aquamarine 133 Agrellite 249 Green 117...Quartz 92 Elestial Quartz 233 Golden Topaz 87 Iceland Spar 246 Icicle Calcite 66 Idocrase 116 Indicolite... ‘ USA, UK, Czech Republic, Slovakia, Peru, Iceland, Romania concentration, envy, anger, emotional... UK, Belgium, Czech Republic, Slovakia, Peru, Iceland, Germany, Romania, Brazil Chakra Heart Zodiac... UK, Belgium, Czech Republic, Slovakia, Peru, Iceland, Hardness 2 Chakra Romania, Brazil Heart, higher |
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Lagomarsino, James (2008) A Pocket Guide to Rocks & Minerals. Parragon. |
Book |
| 46 Azurite 48 Blue Calcite 52 Calcite 50_Iceland_ Spar 53 Smithsonite 54 Aragonite 56 Cerussite...Chrysocolla 142 Lazurite/Lapis Lazuli 165_Cavansite_144 Feldspar 166 Muscovite Mica 146 Rainbow...Worldwide Carbonates Calcium Carbonate CaC03 S3_ICELAND_ SPAR I celand Spar is a transparent form of calcite...specimens was discovered in a mine in Eskifjord, Iceland, hence the derivation of the name. These days it...specialist optical instruments. Individual Occurrence: Iceland, Sweden, crystals can exceed 2 in (45 cm). England |
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(n.d.) Richard Tayler Minerals Catalogue 86. Richard Tayler Minerals |
Catalog/List |
| PO/4 72 BROOKJTE Ti0 562 CASSITERJTE Sn O 621 _CAVANSITE_Ca VOSiO 445 CHALCOPYRITE CuS 58 CHAMBERSITE MnBO...cleavaeg mass showing a few faces on 1 x 1 ,5 matrix Iceland only location £4 Ilmenite sand a tube full one |
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(2009, January) Sussex Mineral and Lapidary Society Journal 217. SMLS |
Journal (issue) |
| Conchoidal 29 Fleischer's Glossary of Mineral Species_Cavansite_(India) Scale of hardness 30 Wagholi Miller...Textbook of Mineraloav Quarry or Granite 12 _Iceland_Spar 34 Japanese Twin 13 Jane 35 Specular...for 2009 are: Quartz Cuprite Olivine Gypsum_Cavansite_Malachite Topaz Pyrite Corundum February March |
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Pearce, John, Alderton, David (2022) SMLS Member's Favourite Specimens. Sussex Mineral & Lapidary Society. |
Book |
| several, sadly now no longer with us. Photo 8. CAVANSITE on STILBITE 8cm. X 8cm. Wagholi, Pune District...control their increasing number. The groups of Cavansite crystals are sitting on thin bladed translucent...Chinese localities can be somewhat vague. Like the Cavansite it was one that I just had to have. These Hemimorphites...late Daphne Hall Photo 7. Arthurite Photo 8. Cavansite on Stilbite Photo 9. Pyrite Photo 10. Phosgenite...bubbles in basaltic lavas are known from Brazil and Iceland, but have not been reported hitherto from the Antrim |
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(2011, April) Gems & Gemology Vol. 47 (1) Gemological Institute of America |
Journal (issue) |
| Gem News International Tucson 2011 • Faceted cavansite • More green grossular from Tanzania • Blue quartz...COLORED STONES AND ORGANIC MATERIALS Faceted cavansite. Cavansite is a rare calcium vanadium phyllosilicate...primarily as fibrous ball-shaped aggregates. Most cavansite on the market is recovered from cavities in basaltic...famous Deccan Traps (see M. F. Makki, “Collecting cavansite in the Wagholi quarry complex, Editor’s note:...ct) are faceted examples of the rare mineral cavansite. Photo by Robert Weldon. Pune, Maharashtra, India |
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Price, Monica, Walsh, Kevin (2005) Rocks and Minerals (Pocket Nature). Dorling Kindersley Plc P/B. |
Book |
| which is softer. THIS OBSIDIAN outcrop is in Iceland, an island where acid igneous rocks are rare....spar. Clear rhombohedral cleavage fragments are Iceland_spar. Calcite is often criss-cross granular or...rhombohedral cleavage and fizzes in dilute HCl.ICELAND SPAR NOTE Light passing through crystals may be...Berufjördur, in Iceland but it has also been detected in other igneous rocks in Iceland. colourless square...FORMS in the lavas of the Krafla volcano in_Iceland, at relatively low temperatures of 100–230°C. crumbly |
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Belakovskiy, Dmitrii I. (2004) New Acquisitions to the Fersman Mineralogical Museum, Russian Academy of Sciences. 2002–2003. New Data on Minerals, 39. 147-158 |
Journal (article/letter/editorial) |
| 52. Belgium 53. Bosnia 54. Gabon 55. Israel 56. _Iceland_57. North Korea 58. Kenya 59. Macedonia 60. Oman...donated by Y.Moelo; a large spherulite of dark blue cavansite www and powellite crystals on colorless apophyllite |
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(1998) Richard Tayler Minerals Catalogue 76. Richard Tayler Minerals |
Catalog/List |
| (Wolfram Camp North Queensland,Australia) £12 063 CAVANSITE Ca (V 0 ) SiO Looks like a copper mineral. Small...Canada) 1 cm £1.5o 1x1 ins £5 079 CALCITE variety ICELAND SPAR Calcium Carbonate. clear cleavage rhomb (Creel...Norway) with collectors label. 3.5 x2ins £6 21_CAVANSITE_ blue spots and micro radiations on 2x2ins matrix |
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Simmons, Robert, Ahsian, Naisha (2005) The Book of Stones - who they are & what they teach. Heaven & Earth Publishing LLC, East Montpellier, VT. |
Book |
| Ametrine 30 Andalusite 31 79 80 Clear Calcite (Iceland Spar) Blue Calcite Angel Aura Quartz 33 Angel...CONTENTS Flint Cassiterite 93 Cathedral Quartz_Cavansite_97 Celestial Quartz 98 100 Garnet 165...Apophyllites are also found in Italy, Germany, Canada, Iceland, Greenland and Brazil. 44 ROBERT SIMMONS — AllApophyllites...of the body and energy systems. CLEAR CALCITE (Iceland Spar) KEY WORDS ELEMENT CHAKRAS Insight, clarity...manifestation, forgiveness Fire, Wind All Clear Calcite (Iceland Spar) is a colorless, transparent variety, also |
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(2010) Mineral Observer. Mineralogical Almanac Vol. 15 (1) |
Journal (issue) |
| mineralogist Descloizeaux had done an expedition to Iceland to collect optical calcite (Spath d'lslande). He...the traps of Central Siberia,gigantic crystalsof Iceland spar were mined as a highly valuable material for... in the Amudikha Valley,geologists looked for Iceland spar; however,they only managed to discover the...specimens one of which is a one meter(!) stilbite and cavansite free of damage with lovely color. The individual...2003. It looks lovely.A jewel Likeminiature of cavansite on white stilbite is shown by Pauwels. Next is |
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(1991) Richard Tayler Minerals Catalogue 49. Richard Tayler Minerals |
Catalog/List |
| Cumbria) 2x2 60p 2x4 tl.20 79 CALCITE variety _ICELAND_SPAR clear cleavage rhomb.(Creel Mexico) approx...brown 82 CARROLLITE Cu (Co,N) S.grey,some 83 _CAVANSITE_deep blue micro's on fibrous in matrix (Schlaggenwald...S.W.(Hendips) 2x2 90p 2~4 fl.80 632 CALCITE,_ICELAND_SPAR.Trans-lucent.(Mexico)Pink with S.W. ALS□ blue |
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Belakovskiy, Dmitriy I. (2003) New acquisitions of the Fersman Mineralogical Museum Russian Academy of Sciences (1997–2001) New Data on Minerals, 38. 101-112 |
Journal (article/letter/editorial) |
| oblast’, are noteworthy. A fine cluster of 5 cm Iceland spar twined crystals from Sokolovskoe deposit,...diverse zeolites. An expressive brightblue 2cm cavansite spherolite and a 9 cm barrelshaped red corundum |
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Ottens, Berthold, Schuster, Ralf, Benkó, Zsolt (2022) The Secondary Minerals from the Pillow Basalt of Salsette-Mumbai, Deccan Volcanic Province, India. Minerals, 12 (4) 444 doi:10.3390/min12040444 |
Journal (article/letter/editorial) |
| in the high temperature hydrothermal fields in Iceland. The secondary minerals discussed here formed in...and before prehnite [19]. For yugawaralite from Iceland different formation temperatures can be found in...occasionally in the main DVP, e.g., powellite or cavansite, are missing on Salsette Island. Additionally...metamorphism of basaltic lavas at Teigarhorn, eastern_Iceland_. Am. J. Sci. 1999, 299, 467–501. [CrossRef] Weisenberger...facies mineralization in the Hvalfjördur area, Iceland. Int. J. Earth Sci. 2008, 98, 985–999. [CrossRef] |
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Hulick, Caroline P. R. - Ed. (1978) Bibliography of the geology and mineral resources of Oregon: Seventh supplement, January 1, 1971 to December 31, 1975. Bulletin 97. Oregon Department of Geology and Mineral Industries |
Report (issue) |
| Boward T., Jr. 1 973. The crystal structures of cavansite and pentagonitc: Am Mineral., Vol. 58, No. 5-6...also Vickers, S. D. 1975. Crystal structure of cavansite dehydrated at 220'C: Acta Crystallogr., Sect.... Howard T., Jr� and Lludsay, James R. 1 973. Cavansite and pentagonite, new dimorphous calcium vanadium...data processinllo Mineralogy Crystal structure, cavansite, pentagonite, Malheur County (Evans, Howard T...H. 1 972) Crystal chemistry, Sheet silicates_Cavansite_, pentagonite, new minerals, Malheur County, Columbia |
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(2009) Goldschmidt Abstracts 2009 – P. Geochimica et Cosmochimica Acta, 73 (13) doi:10.1016/j.gca.2009.05.012 |
Journal (article/letter/editorial) |
| Abstracts 2009 Pressure-induced phase transition in_cavansite_ – A rare zeolite from the Deccan Trap, India 1...resistivity of_Cavansite_, a rare zeolites from the Deccan Trap, India. The_cavansite_ sample has been...kilometres after deposition in the late Cretaceous[1]. Cavansite, Ca (VO) Si4O10. 4 H2O, occurs in cavities in...calculated density is 2.33 g/cc. NMR studies of cavansite, show that Si atoms in tetrahedral coordination...electrical resistivity [2] studies show that_Cavansite_ undergoes pressure-induced amorphization at about |
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Guastoni, Alessandro, Appiani, Roberto (2005) Minerals - A Firefly Guide. Firefly Books, Buffalo, NY. |
Book |
| calcite crystal (the ideal would be a fragment of Iceland spar). The crystal is positioned above writing...this clear cleavage rhomb of calcite lsocalled Iceland spar!, which doubles the image of the black line...Rosette of crystals from Baveno, Piedmont. Italy.Cavansite_Formula Ca(V4 +Q)(Si4 010]-4H20 System Orthorho1nbic...Above and right: Aggregates of c1ystals of cavansite from the basalt quany of 11\lagoli, ne01· Poona...EU µ.J EV) µ.J E,<( Group of c1ystols fron1_Iceland. Formula (Cao.s,Na,K)g[(Al9 Si270 nl·-24H20 System |
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(1984, April) Minerals. 3. W.D. Christianson |
Catalog/List |
| Australia. Sonorn, Mexico. mcJssivc CARLFRIESITE:CAVANSITE: Owyhoe dam, Malhour AS /\BOVE County, USA...C/\DH1LITE: Pc:mrsboro, CHAB1\ZITE: Hval ·~jordur,Iceland. crystals CHAB1\ZITE, variElty PHACOLITE: CH |
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