 | | Book (edition) | | Minerals, by the late Raymond Easthampton, Massachusetts, E. by Paul E. Desautels and Dr. George Switzer...the out- standing shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...clearly describes the sheet structure formed by a series of connected rings linked at all corners in a hexagonal...substitution, as for example between fayalite, an iron silicate, and forsterite, a magnesium silicate. Both...species called an isomorphous series. The pure species, fayalite and forsterite, are called the end members |  | | Book | | (SiO4) group in the mineral forsterite. The chemical shorthand for forsterite is Mg,SiO4. This is known...bracket group would around the dis- result in forsterite symbolized thus: (Mg2)**(SiO4)*~. It is an interesting...as olivines. These are called forsterite, Mg2SiO., and fayalite, Fe,SiO4. these minerals Above:...consisting entirely of membersiof the olivine series another pair of strikingly different polymorphs...the crystals that form are no longer of forsterite and fayalite but of a single olivine containing both | | | Book (edition) | | Schortmann of Schortmann's Minerals, Easthampton, Massachusetts, by Paul E. Desautels and Dr. George Switzer...at the outstanding shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...New York, Schortmann's Minerals, Easthampton, Massachusetts, Burminco, Monrovia, California, Filer's, Redlands...clearly describes the sheet structure formed by a series of connected rings linked at all corners in a hexagonal...substitution, as for example between fayalite, an iron silicate, and forsterite, a magnesium silicate. Both species | | | Book | | (Si04) group in the mineral forsterite. The chemical short¬ hand for forsterite is Mg2Si04. This is known...the dis¬ tinctive (Si04) group would result in forsterite symbolized thus: (Mg2)4 + (Si04)4_. It is an...rock consisting entirely of members of the olivine series phosphate because it contains the tetrahedrally...known as olivines. These are called forsterite, Mg2Si04, and fayalite, Fe2Si04. If we melt a mixture of...are no longer of forsterite and Both are composed entirely of the element fayalite but of a single olivine |  | | Book (edition) | | Schortmann of Schortmann's Minerals, Easthampton, Massachusetts, by Paul E. Desautels and Dr. George Switzer...the outstanding sho,vs of the annual San Diego County Fair at Del Mar, California. In addition, the collections...York, Schortmann's l\finerals, Easthampton, Massachusetts, Burminco, Monrovia, California, Filer's, Redlands...N icolaus Steno (1638-1686), discovered that a series of measure1nents 1nade on quartz crystals from...clearly describes the sheet structure formed by a series of connected rings linked at all corners in a hexag·onal |  | | Report (issue) | | a mineral belonging to the polybasitepearceite series. Crystals of galena (octahedrons 6 cm across),...1643 Quinze Lake-Barrière Lake area, Témiskamingue County (MRNQ, 1:63 360) P1421 Rémigny-Villars area, counties...(G): 1007 Townships adjoining Lake Timiskaming, County of Pontiac, Quebec (Geological Survey of Canada...387A Ville-Marie sheet (west half), Témiscamingue County, Quebec (Geological Survey of Canada, 1:63 360)...387A Ville-Marie sheet (west half), Témiscamingue County, Quebec (Geological Survey of Canada, 1:63 360) |
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