Knowledge (XXG)

Phosphosiderite

Source 📝

29: 491:. In zoned granitic pegmatites, it usually occurs as an alteration product of primary phosphates. This makes it a secondary phosphate. It may be replacing shells and bones, and can occur in the soil as a component of it as well. However, the latter is rarer. 431:. Four other rare color variants are rose red, brown-reddish yellow, mossy green, and dark shades of purple. Phosphosiderite can also be found as a colorless mineral. It is 419:
shape for jewelry, and used as an ornamental stone. It mainly consists of oxygen (51.38%), iron (29.89%) and phosphorus (16.58%), but contains hydrogen (2.16%) as well.
379:. The siderite at the end of phosphosiderite comes from the word "sideros", the Greek word for iron. It was published in 1890, and has been a valid species since pre- 380: 427:
Phosphosiderite is often found in a bright orchid-purple tint with yellow-colored streaks. The vein-like streaks found in the stone are known as
719: 383:. It is an IMA approved mineral which got grandfathered, meaning its name is still believed to refer to an existing species. 214: 247: 714: 89: 591: 204: 435:; on the X axis around 4° it is light rose, on the Y axis it is carmine red, and on Z it is colorless. 521: 392: 341: 237: 227: 539: 484: 194: 51: 687: 404: 141: 488: 529: 285: 257: 184: 58: 525: 633: 476: 99: 28: 708: 543: 480: 464: 395:
group, and probably forms a complete series with metavariscite. It is the dimorph of
311: 174: 111: 156: 432: 408: 321: 124: 472: 428: 400: 353: 104: 615: 468: 452: 396: 372: 73: 34: 460: 416: 412: 331: 534: 509: 660: 560: 456: 368: 267: 67: 444: 358:
Totally soluble in hydrochloric acid, nearly insoluble in nitric acid
169:
Usually red to pink to purple, sometimes green, usually yellow veined
448: 376: 70: 352: 340: 330: 320: 310: 284: 276: 266: 256: 246: 236: 226: 213: 203: 193: 183: 173: 165: 155: 150: 140: 123: 110: 98: 88: 57: 47: 42: 21: 189:Common on {101}, typically as interpenetration 8: 467:. It occurs in association with strengite, 27: 533: 655: 653: 500: 18: 272:2.74 – 2.76 measured, 2.76 calculated 7: 682: 680: 586: 584: 582: 580: 555: 553: 510:"IMA–CNMNC approved mineral symbols" 391:Phosphosiderite is a member of the 33:Red phosphosiderite between violet 14: 179:Tabular {010} or stout prismatic 592:"Phosphosiderite – Encyclopedia" 199:{010} Distinct, {001} Indistinct 371:named for its main components, 634:"Phosphosiderite Mineral Data" 596:www.le-comptoir-geologique.com 336:Measured: 62°, Calculated: 62° 1: 736: 720:Minerals in space group 14 439:Occurrences and localities 26: 407:and nearly insoluble in 252:Transparent, translucent 695:Handbook of Mineralogy 514:Mineralogical Magazine 37:. Picture width 4 mm. 715:Monoclinic minerals 535:10.1180/mgm.2021.43 526:2021MinM...85..291W 508:Warr, L.N. (2021). 443:Phosphosiderite is 638:www.webmineral.com 277:Optical properties 52:Phosphate minerals 688:"Phosphosiderite" 661:"Phosphosiderite" 616:"Phosphosiderite" 561:"Phosphosiderite" 447:in some parts of 405:Hydrochloric acid 362: 361: 16:Phosphate mineral 727: 699: 698: 692: 684: 675: 674: 672: 671: 657: 648: 647: 645: 644: 630: 624: 623: 622:. 18 March 2017. 620:National Gem Lab 612: 606: 605: 603: 602: 588: 575: 574: 572: 571: 557: 548: 547: 537: 505: 411:. It is usually 399:. It is totally 286:Refractive index 258:Specific gravity 219: 64: 63:(repeating unit) 31: 19: 735: 734: 730: 729: 728: 726: 725: 724: 705: 704: 703: 702: 690: 686: 685: 678: 669: 667: 659: 658: 651: 642: 640: 632: 631: 627: 614: 613: 609: 600: 598: 590: 589: 578: 569: 567: 559: 558: 551: 507: 506: 502: 497: 441: 425: 389: 365:Phosphosiderite 347: 305: 301: 299: 295: 293: 217: 133: 83: 79: 62: 61: 38: 22:Phosphosiderite 17: 12: 11: 5: 733: 731: 723: 722: 717: 707: 706: 701: 700: 676: 665:www.mindat.org 649: 625: 607: 576: 565:www.mindat.org 549: 520:(3): 291–320. 499: 498: 496: 493: 477:leucophosphite 440: 437: 424: 421: 388: 385: 360: 359: 356: 350: 349: 344: 338: 337: 334: 328: 327: 324: 318: 317: 314: 308: 307: 303: 297: 291: 288: 282: 281: 278: 274: 273: 270: 264: 263: 260: 254: 253: 250: 244: 243: 240: 234: 233: 230: 224: 223: 220: 211: 210: 207: 201: 200: 197: 191: 190: 187: 181: 180: 177: 171: 170: 167: 163: 162: 159: 153: 152: 151:Identification 148: 147: 144: 138: 137: 131: 127: 121: 120: 114: 108: 107: 102: 100:Crystal system 96: 95: 92: 86: 85: 81: 77: 65: 55: 54: 49: 45: 44: 40: 39: 32: 24: 23: 15: 13: 10: 9: 6: 4: 3: 2: 732: 721: 718: 716: 713: 712: 710: 696: 689: 683: 681: 677: 666: 662: 656: 654: 650: 639: 635: 629: 626: 621: 617: 611: 608: 597: 593: 587: 585: 583: 581: 577: 566: 562: 556: 554: 550: 545: 541: 536: 531: 527: 523: 519: 515: 511: 504: 501: 494: 492: 490: 486: 482: 478: 474: 470: 466: 465:United States 462: 458: 454: 450: 446: 438: 436: 434: 430: 422: 420: 418: 414: 410: 406: 402: 398: 394: 393:metavariscite 386: 384: 382: 378: 374: 370: 366: 357: 355: 351: 345: 343: 339: 335: 333: 329: 325: 323: 319: 315: 313: 312:Birefringence 309: 289: 287: 283: 279: 275: 271: 269: 265: 261: 259: 255: 251: 249: 245: 241: 239: 235: 231: 229: 225: 221: 216: 212: 208: 206: 202: 198: 196: 192: 188: 186: 182: 178: 176: 175:Crystal habit 172: 168: 164: 160: 158: 154: 149: 145: 143: 139: 135: 128: 126: 122: 119: 115: 113: 112:Crystal class 109: 106: 103: 101: 97: 93: 91: 87: 75: 72: 69: 66: 60: 56: 53: 50: 46: 41: 36: 30: 25: 20: 694: 668:. Retrieved 664: 641:. Retrieved 637: 628: 619: 610: 599:. Retrieved 595: 568:. Retrieved 564: 517: 513: 503: 442: 426: 390: 364: 363: 346:Very strong 157:Formula mass 129: 117: 116:Prismatic 2/ 485:barbosalite 409:nitric acid 322:Pleochroism 280:Biaxial (−) 248:Diaphaneity 125:Space group 709:Categories 670:2021-03-05 643:2022-10-21 601:2022-10-21 570:2022-10-21 495:References 481:huréaulite 473:triphylite 463:, and the 433:pleochroic 429:cacoxenite 387:Properties 367:is a rare 354:Solubility 342:Dispersion 215:Mohs scale 105:Monoclinic 90:IMA symbol 544:235729616 469:turquoise 453:Argentina 397:strengite 373:phosphate 262:2.74–2.76 146:454.76 ų 142:Unit cell 74:phosphate 35:strengite 461:Portugal 417:cabochon 348:r > v 332:2V angle 300:= 1.725 294:= 1.692 232:Vitreous 218:hardness 205:Fracture 195:Cleavage 185:Twinning 136:(no. 14) 68:Hydrated 48:Category 522:Bibcode 489:laueite 457:Germany 415:into a 401:soluble 369:mineral 326:Visible 306:= 1.738 268:Density 59:Formula 43:General 542:  423:Colors 238:Streak 228:Luster 209:Uneven 161:186.85 691:(PDF) 540:S2CID 449:Chile 445:mined 316:0.046 242:White 222:3.5–4 166:Color 487:and 377:iron 375:and 94:Phsd 76:FePO 71:iron 530:doi 413:cut 403:in 381:IMA 80:·2H 711:: 693:. 679:^ 663:. 652:^ 636:. 618:. 594:. 579:^ 563:. 552:^ 538:. 528:. 518:85 516:. 512:. 483:, 479:, 475:, 471:, 459:, 455:, 451:, 134:/n 130:P2 697:. 673:. 646:. 604:. 573:. 546:. 532:: 524:: 304:γ 302:n 298:β 296:n 292:α 290:n 132:1 118:m 84:O 82:2 78:4

Index


strengite
Phosphate minerals
Formula
Hydrated
iron
phosphate
IMA symbol
Crystal system
Monoclinic
Crystal class
Space group
Unit cell
Formula mass
Crystal habit
Twinning
Cleavage
Fracture
Mohs scale
Luster
Streak
Diaphaneity
Specific gravity
Density
Refractive index
Birefringence
Pleochroism
2V angle
Dispersion
Solubility

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.