| 词条 | Sinkankasite |
| 释义 |
| name = Sinkankasite | image = Sinkankasite-d06-09a.jpg | imagesize = 260px | alt = | caption = | category = Phosphate mineral | formula = {{chem|H|2|MnAl(PO|4|)|2|(OH)·6H|2|O}} | molweight = | strunz = 8.DB.20 | system = Triclinic | class = Pinacoidal ({{Overline|1}}) (same H-M symbol) | symmetry = P{{Overline|1}} | unit cell = | color = Colorless | colour = | habit = | twinning = | cleavage = | fracture = | tenacity = | mohs = 4 | luster = Vitreous | streak = | diaphaneity = Transparent | gravity = | density = | polish = | opticalprop = | refractive = | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = [1][2] }}Sinkankasite, mineral formula: {{chem|H|2|MnAl(PO|4|)|2|(OH)·6H|2|O}}, was named after John Sinkankas (1915–2002), noted author and mineral collector, Scripps Institute of Oceanography.[3] It is triclinic; as colorless, bladed to prismatic crystals up to 4 mm in length, often as divergent, radial aggregates and as pseudomorphs after triphlyte crystals; occurs in the Barker pegmatite (formerly Ferguson pegmatite), east of Keystone, South Dakota, and in the Palermo pegmatite, North Groton, New Hampshire.[4] References1. ^[https://www.mineralienatlas.de/lexikon/index.php/MineralData?mineral=Sinkankasite Mineralienatlas] {{Phosphate-mineral-stub}}2. ^Mindat 3. ^Burns P C, Hawthorne F C. 1995. "Sinkankasite." American Mineralogist, 80 (1995) p.620-627. 4. ^Mitchelll, Richard S. 1986. "Who's Who in Mineral Names; John Sinkankas." Rocks and Minerals. Volume 61 (1), page 28. 2 : Phosphate minerals|Triclinic minerals |
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