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Forsterite (Var: Peridot) : Mg2[SiO4] | |
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Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) 2.0 x 0.8 x 0.5 cm |
| © Rob Lavinsky | Photo ID: 83128 View Count: 277 |
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Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) Wonderful, gemmy double-terminated lime green crystal from a location other than Pakistan! The crystal weighs 12.3 carats; dimensions are 21 mm x 8.3 mm x 7.6mm. |
| Photo ID: 72220 View Count: 257 | |
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Parker mine, Notre-Dame-du-Laus, Antoine-Labelle RCM, Laurentides, Québec, Canada Forsterite on spinel. Alan Goldstein specimen (#5125) and photo. FOV ~7 mm |
| © Alan Goldstein | Photo ID: 42708 View Count: 404 |
Forsterite : Mg2[SiO4], Calcite : CaCO3 | |
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Parker mine, Notre-Dame-du-Laus, Antoine-Labelle RCM, Laurentides, Québec, Canada A well formed crystal of forsterite embedded in light orange calcite. Usually these crystals are associated with black spinel crystals. Specimen is 5.0cm across |
| © David K. Joyce | Photo ID: 81334 View Count: 270 |
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Parker mine, Notre-Dame-du-Laus, Antoine-Labelle RCM, Laurentides, Québec, Canada Forsterite (acid etched to show more crystals). Obtained in Sept. 1994 from E. Grundel. Alan Goldstein specimen (1646) and photo. |
| © Alan Goldstein | Photo ID: 146392 View Count: 166 |
Forsterite : Mg2[SiO4] | |
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St John's Island (Zagbargad; Zebirget; Topazios), Red Sea, Egypt Field of view 18 mm. Collection M. Kampf No 72-056a. Mindat.org Photo of the Day - 27th Oct 2006 |
| © 2006 M. Kampf | Photo ID: 72634 View Count: 1394 |
Forsterite (Var: Peridot) : Mg2[SiO4] | |
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St John's Island (Zagbargad; Zebirget; Topazios), Red Sea, Egypt Transparent single crystal of green peridot variety of forsterite with well formed termination. Nearly flawless internally. See the article Famous Mineral Localities: Saint John's Island, Egypt in Mineralogical Record, Nov.-Dec., 1976. Ex. A. Stevenson collection #690. Overall size of mineral specimen: 11x11x4 mm. Size of individual crystals: 11 ... |
| © 2001 John H. Betts | Photo ID: 1246 View Count: 1961 |
Forsterite (Var: Peridot) : Mg2[SiO4] | |
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St John's Island (Zagbargad; Zebirget; Topazios), Red Sea, Egypt An exceptionally rare specimen purchased from EM Gunnell in 1953! This is from the source of the peridot gems of the ancient world, a locale now long gone and to my knowledege not collected from after the early 1900s at latest. These peridots were found MANY years ago and remained for centuries, until Pakistan's Soppat valley material came out in ... |
| © Rob Lavinsky | Photo ID: 49932 View Count: 636 |
Forsterite (Var: Peridot) : Mg2[SiO4] | |
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St John's Island (Zagbargad; Zebirget; Topazios), Red Sea, Egypt Transparent single crystal of green peridot variety of forsterite with well formed termination. Nearly flawless internally, some exterior flaws. See article: Famous Mineral Localities: Saint John's Island, Egypt in Mineralogical Record, Nov.-Dec., 1976. Ex. Cranbrook Institute #376-12. Overall size of mineral specimen: 14x7x6 mm. Size of ... |
| © 2003 John H. Betts | Photo ID: 10835 View Count: 599 |
Forsterite : Mg2[SiO4] | |
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St John's Island (Zagbargad; Zebirget; Topazios), Red Sea, Egypt This is a fabulous Peridot crystal from the famous locality for gem and carving grade peridot of ANCIENT times (i.e. as far back as biblical times!). This material is EXTREMELY hard to come by on the market and is in both color and form quite distinct from the much more common Pakistani material mined in the late 1990's. Additionally, the clarity ... |
| © Rob Lavinsky | Photo ID: 22239 View Count: 533 |
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