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|   |   | Name: Piypite RRUFF ID: R130048 Ideal Chemistry: K4Cu4O2(SO4)4·(Na,Cu)Cl Locality: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia Source: Don Doell [view label] Owner: RRUFF Description: Sprays of bright green acicular crystals Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. | 
| RAMAN SPECTRUM | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R130048.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: | a: 13.599(6)Å    b: 13.599(6)Å    c: 4.995(2)Å alpha: 90° beta: 90° gamma: 90° Volume: 923.8(4)Å3 Crystal System: tetragonal | ||||||
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| REFERENCES for Piypite | |
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| American Mineralogist Crystal Structure Database Record: [view record] | |
| Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] | |
| Effenberger H, Zemann J (1984) The crystal structure of caratiite, Mineralogical Magazine, 48, 541-546 [view file] | |
| Vergasova L P, Filatov S K, Serafimova E K, Starova G L (1984) Piypite K2Cu2O(SO4)2 - a new mineral of volcanic sublimates, Doklady Akademii Nauk SSSR, 275, 714-717 [view file] | |
| Dunn P J, Gobel V, Grice J D, Puziewicz J, Shigley J E, Vanko D A, Zilczer J (1985) New mineral names, American Mineralogist, 70, 436-441 [view file] | |
| Filatov S K, Vergasova L P (1989) Discrediting of caratiite and priority for piypite, Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 118, issue 3 88-90 [view file] | |
| Kahlenberg V, Piotrowski A, Giester G (2000) Crystal structure of Na4[Cu4O2(SO4)4]·MeCl (Me: Na, Cu, ◻)  the synthetic Na-analogue of piypite (caratiite), Mineralogical Magazine, 64, 1099-1108 [view file] | |
| Shablinskii A P, Filatov S K, Biryukov Y P, Yuriev A A, Vergasova L P (2023) Thermal expansion of fedotovite K2Cu3O(SO4)3 and piypite K4Cu4O(SO4)4·(Na,Cu)Cl, Glass Physics and Chemistry, 49, 386-393 | |
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