Spinel, Co-bearing, presumably, from the kimberlite pipe of Yakutia. 0.05 mm (approximately). Composition is not known. 350,0.60726 351,0.48806 352,0.41906 353,0.36026 354,0.32596 355,0.29596 356,0.27196 357,0.25136 358,0.23706 359,0.22306 360,0.20946 361,0.20216 362,0.19306 363,0.18596 364,0.18016 365,0.17236 366,0.16786 367,0.16536 368,0.16116 369,0.15896 370,0.15976 371,0.15966 372,0.15846 373,0.15776 374,0.15566 375,0.15406 376,0.15016 377,0.15026 378,0.14896 379,0.14856 380,0.14526 381,0.14666 382,0.14566 383,0.14536 384,0.14566 385,0.14536 386,0.14546 387,0.14376 388,0.14216 389,0.14146 390,0.13966 391,0.13826 392,0.13626 393,0.13456 394,0.13436 395,0.13286 396,0.13106 397,0.13006 398,0.12986 399,0.12946 400,0.12796 401,0.12626 402,0.12516 403,0.12406 404,0.12356 405,0.12206 406,0.12066 407,0.12006 408,0.11906 409,0.11696 410,0.11416 411,0.11126 412,0.10876 413,0.10576 414,0.10346 415,0.10126 416,0.09996 417,0.09716 418,0.09536 419,0.09286 420,0.09056 421,0.08976 422,0.08876 423,0.08716 424,0.08586 425,0.08456 426,0.08306 427,0.08236 428,0.08206 429,0.08146 430,0.08066 431,0.08006 432,0.08026 433,0.08026 434,0.07996 435,0.07956 436,0.07756 437,0.07696 438,0.07626 439,0.07526 440,0.07476 441,0.07396 442,0.07366 443,0.07326 444,0.07296 445,0.07336 446,0.07326 447,0.07326 448,0.07366 449,0.07426 450,0.0742 452,0.0753 454,0.0752 456,0.0758 458,0.0761 460,0.0755 462,0.0754 464,0.0732 466,0.0736 468,0.0727 470,0.0718 472,0.0704 474,0.0706 476,0.0718 478,0.0754 480,0.0752 482,0.0731 484,0.0698 486,0.0673 488,0.0647 490,0.0635 492,0.0623 494,0.0615 496,0.0621 498,0.0613 500,0.0619 502,0.0643 504,0.0671 506,0.0689 508,0.0735 510,0.0776 512,0.0826 514,0.0884 516,0.0963 518,0.1052 520,0.1133 522,0.1243 524,0.1364 526,0.1482 528,0.1604 530,0.1756 532,0.1922 534,0.2115 536,0.2309 538,0.2522 540,0.2767 542,0.2982 544,0.3154 546,0.3251 548,0.3329 550,0.3426 552,0.349 554,0.3399 556,0.3385 558,0.3645 560,0.3881 562,0.4099 564,0.4301 566,0.4513 568,0.4712 570,0.4922 572,0.5124 574,0.5283 576,0.5417 578,0.5528 580,0.5592 582,0.5633 584,0.5675 586,0.5719 588,0.574 590,0.5769 592,0.581 594,0.585 596,0.5882 598,0.5871 600,0.5823 602,0.5773 604,0.5668 606,0.553 608,0.5379 610,0.5248 612,0.5147 614,0.5106 616,0.5178 618,0.5301 620,0.5418 622,0.5507 624,0.5535 626,0.55 628,0.5389 630,0.5256 632,0.509 634,0.4872 636,0.4661 638,0.4358 640,0.4036 642,0.3695 644,0.3332 646,0.2935 648,0.2561 650,0.2256 652,0.1985 654,0.1746 656,0.1533 658,0.136 660,0.1215 662,0.1095 664,0.1001 666,0.0913 668,0.0854 670,0.0793 672,0.0751 674,0.0714 676,0.0678 678,0.066 680,0.0647 682,0.0634 684,0.0612 686,0.0602 688,0.0589 690,0.0582 692,0.0581 694,0.0577 696,0.0566 698,0.0565 700,0.0556 702,0.0552 704,0.0567 706,0.0556 708,0.0557 710,0.0545 712,0.0553 714,0.0547 716,0.0553 718,0.0549 720,0.0554 722,0.0548 724,0.0548 726,0.0541 728,0.0536 730,0.05372 732,0.05262 734,0.04982 736,0.05322 738,0.05302 740,0.05402 742,0.04942 744,0.05052 746,0.05362 748,0.05092 750,0.04932 752,0.05102 754,0.04842 756,0.05042 758,0.04842 760,0.04812 762,0.04742 764,0.05042 766,0.04802 768,0.04742 770,0.04812 772,0.04822 774,0.04662 776,0.04752 778,0.04702 780,0.04692 782,0.04572 784,0.04462 786,0.04562 788,0.04502 790,0.04692 792,0.04462 794,0.04462 796,0.04302 798,0.04422 800,0.04302 802,0.04292 804,0.04182 806,0.04392 808,0.04292 810,0.04152 812,0.04342 814,0.04182 816,0.04152 818,0.04022 820,0.04192 822,0.04302 824,0.03982 826,0.04232 828,0.03802 830,0.04162 832,0.03812 834,0.04032 836,0.04012 838,0.03762 840,0.03952 842,0.03942 844,0.04092 846,0.03642 848,0.03902 850,0.03822 852,0.03922 854,0.03972 856,0.03782 858,0.03612 860,0.03672 862,0.03882 864,0.03742 866,0.03592 868,0.03672 870,0.03562 872,0.03712 874,0.03572 876,0.03732 878,0.03262 880,0.03552 882,0.03452 884,0.03292 886,0.03542 888,0.03522 890,0.03412 892,0.03442 894,0.03542 896,0.03422 898,0.03452 900,0.03352 902,0.03402 904,0.03382 906,0.03222 908,0.03362 910,0.03262 912,0.03252 914,0.03222 916,0.03182 918,0.03212 920,0.03362 922,0.03282 924,0.03272 926,0.03322 928,0.03242 930,0.03112 932,0.03352 934,0.02972 936,0.02832 938,0.03192 940,0.02872 942,0.02882 944,0.02982 946,0.02892 948,0.02752 950,0.02822 952,0.02822 954,0.02742 956,0.02802 958,0.02712 960,0.02842 962,0.02882 964,0.02702 966,0.02802 968,0.02332 970,0.02412 972,0.02612 974,0.02562 976,0.02502 978,0.02532 980,0.02292 982,0.02257 984,0.02242 986,0.02292 988,0.02236 990,0.02182 992,0.02182 994,0.02262 996,0.02236 998,0.02232 1000,0.02278 1005,0.0232 1010,0.02375 1015,0.02456 1020,0.02457 1025,0.02501 1030,0.02438 1035,0.02351 1040,0.02467 1045,0.02714 1050,0.0276 1055,0.02537 1060,0.02345 1065,0.02403 1070,0.02623 1075,0.02806 1080,0.02873 1085,0.02918 1090,0.03045 1095,0.03184 1100,0.03197 1105,0.03174 1110,0.03314 1115,0.03546 1120,0.03648 1125,0.03648 1130,0.03764 1135,0.04058 1140,0.04404 1145,0.04647 1150,0.04697 1155,0.04652 1160,0.04781 1165,0.0521 1170,0.05781 1175,0.06347 1180,0.06924 1185,0.07512 1190,0.08087 1195,0.08713 1200,0.09397 1205,0.10038 1210,0.10665 1215,0.11403 1220,0.12106 1225,0.12461 1230,0.12508 1235,0.12581 1240,0.12775 1245,0.12889 1250,0.12847 1255,0.12818 1260,0.12945 1265,0.13199 1270,0.13477 1275,0.1372 1280,0.13944 1285,0.14202 1290,0.14502 1295,0.14753 1300,0.14831 1305,0.14748 1310,0.14652 1315,0.14557 1320,0.14226 1325,0.13587 1330,0.12987 1335,0.12735 1340,0.12718 1345,0.12771 1350,0.12943 1355,0.13142 1360,0.13177 1365,0.13241 1370,0.13348 1375,0.13372 1380,0.13421 1385,0.13486 1390,0.13636 1395,0.1418 1400,0.14618 1405,0.14818 1410,0.14981 1415,0.15283 1420,0.15816 1425,0.16456 1430,0.1681 1435,0.1666 1440,0.1623 1445,0.15854 1450,0.15719 1455,0.15682 1460,0.15658 1465,0.15658 1470,0.15586 1475,0.15413 1480,0.1556 1485,0.15756 1490,0.15939 1495,0.16526 1500,0.17634 1505,0.18724 1510,0.19098 1515,0.18425 1520,0.1691 1525,0.15176 1530,0.13777 1535,0.12744 1540,0.11803 1545,0.10928 1550,0.10304 1555,0.09855 1560,0.09188 1565,0.08172 1570,0.07258 1575,0.06926