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sphene |
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sphene [sfēn]
(mineralogy) CaTiSiO5A brown, green, yellow, gray, or black neosilicate mineral common as an accessory mineral in igneous rocks; it is monoclinic and has resinous luster; hardness is 5-5.5 on Mohs scale; specific gravity is 3.4-3.5. Also known as grothite; titanite. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | Zircon distribution is typical of acid hydrolysis; the layer diversity of the profile with respect to tourmaline, kyanite, staurolite, rutile, and sphene appears to be related not only to the weathering, but also to the initial heterogeneity of wind affected sediment. Petrographic reviews have shown that in drill holes DED-03, 04, 08 and 09, the magmatic-related assemblages comprise early garnet and clinopyroxene, followed by K-feldspar, biotite, magnetite, sphene and porphyry-related quartz with late stage actinolite-magnetite. In this study we compared the relationship between heavy mineral assemblages typical of the Baltic Shield (apatite, amphiboles, pyroxenes, zircon, garnet, epidote, tourmaline, staurolite, sphene, corundum, sillimanite, monazite, magnetite, and ilmenite) and the local bedrock (hematite, leucoxene, pyrite, micas, limonite, phosphates, carbonates, anatase, barite, and chlorite) (Jouzapavicius 1976; Viiding 1976). |
sphene |
sphalerite SPHB SPHC SPHCM SPHCT SPHCUHK SPHD SPHDS SPHE Sphecidae Sphecidae Spheciformes Spheciformes Sphecinae Sphecinae Sphecini Sphecini Sphecius Sphecius speciosis sphecoid sphecoid wasp Sphecoidea Sphecoidea Sphecotheres Spheksophobia SPHEM sphen(o)- sphen- sphen- Sphenacodontia sphene SphenethmoidSphenethmoid Sphenethmoid bone Sphenethmoidal sphenic sphenion sphenion Spheniscan Spheniscidae Spheniscidae Spheniscidae sphenisciform seabird Sphenisciformes Sphenisciformes Sphenisciformes Spheniscinae Spheniscinae Spheniscinae Spheniscus Spheniscus demersus Sphenisiformes Sphenisiformes Sphenisiformes Spheno Ethmoidectomy spheno- spheno- Spheno-palatine ganglion Spheno-palatine ganglion sphenobasilar synchondrosis sphenocephaly | |||||||
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