Natrolite, Dutoitspan, South Africa (Cambridge Univ collection No. 193466, from Prof. G. Artioli Raman Spectrum, bc-orientation, from Boris Kolesov 85.8, 1215. 86.9, 1800. 88.1, 2384. 89.3, 3027. 90.4, 3284. 91.6, 3223. 92.7, 2822. 93.9, 2356. 95., 2278. 96.2, 2036. 97.4, 2123. 98.5, 2130. 99.7, 2778. 100.8, 4001. 102., 5985. 103.1, 9149. 104.3, 9787. 105.4, 9542. 106.6, 7669. 107.8, 5542. 108.9, 5040. 110.1, 5133. 111.2, 5714. 112.4, 6139. 113.5, 6779. 114.7, 8292. 115.8, 11932. 117., 18452. 118.1, 28180. 119.3, 39060. 120.5, 46438. 121.6, 45787. 122.8, 38110. 123.9, 28448. 125.1, 19656. 126.2, 14796. 127.4, 12195. 128.5, 12480. 129.7, 15480. 130.8, 19561. 132., 22338. 133.1, 21195. 134.3, 17807. 135.4, 14305. 136.6, 13325. 137.8, 15337. 138.9, 20063. 140.1, 25887. 141.2, 30962. 142.4, 30936. 143.5, 26910. 144.7, 20133. 145.8, 13702. 147., 8927. 148.1, 5904. 149.3, 4307. 150.4, 3255. 151.6, 2625. 152.7, 2530. 153.9, 2860. 155., 3477. 156.2, 4195. 157.3, 5717. 158.5, 7454. 159.6, 9192. 160.8, 9955. 161.9, 9465. 163.1, 8097. 164.2, 6557. 165.4, 4869. 166.5, 3758. 167.7, 3327. 168.8, 2672. 170., 2369. 171.1, 2195. 172.2, 1909. 173.4, 1720. 174.5, 1493. 175.7, 1483. 176.8, 1502. 178., 1836. 179.1, 2150. 180.3, 2288. 181.4, 2580. 182.6, 2623. 183.7, 2518. 184.9, 2238. 186., 1863. 187.2, 1461. 188.3, 1093. 189.5, 853. 190.6, 818. 191.7, 717. 192.9, 610. 194., 538. 195.2, 624. 196.3, 702. 197.5, 664. 198.6, 840. 199.8, 974. 200.9, 1147. 202.1, 1240. 203.2, 1557. 204.3, 1502. 205.5, 1456. 206.6, 1509. 207.8, 1534. 208.9, 1528. 210.1, 1860. 211.2, 2460. 212.3, 2943. 213.5, 3850. 214.6, 5181. 215.8, 6464. 216.9, 7266. 218.1, 7520. 219.2, 6724. 220.3, 5821. 221.5, 4452. 222.6, 3256. 223.8, 2511. 224.9, 1855. 226.1, 1365. 227.2, 1039. 228.3, 955. 229.5, 688. 230.6, 750. 231.8, 635. 232.9, 566. 234., 536. 235.2, 734. 236.3, 735. 237.5, 770. 238.6, 1005. 239.8, 919. 240.9, 1109. 242., 1168. 243.2, 1043. 244.3, 883. 245.5, 838. 246.6, 803. 247.7, 884. 248.9, 966. 250., 1072. 251.1, 1194. 252.3, 1425. 253.4, 1575. 254.6, 1797. 255.7, 2045. 256.8, 2292. 258., 2122. 259.1, 2585. 260.3, 2577. 261.4, 2485. 262.5, 2668. 263.7, 2696. 264.8, 3083. 265.9, 3446. 267.1, 4283. 268.2, 4903. 269.4, 6406. 270.5, 8087. 271.6, 9271. 272.8, 9513. 273.9, 8426. 275., 7015. 276.2, 5167. 277.3, 3805. 278.4, 2802. 279.6, 2108. 280.7, 1771. 281.9, 1699. 283., 1424. 284.1, 1354. 285.3, 1586. 286.4, 1621. 287.5, 1661. 288.7, 1709. 289.8, 1761. 290.9, 1727. 292.1, 1728. 293.2, 1525. 294.3, 1586. 295.5, 1381. 296.6, 1276. 297.7, 1176. 298.9, 1168. 300., 1014. 301.1, 1147. 302.3, 1247. 303.4, 1172. 304.5, 1055. 305.7, 1114. 306.8, 944. 307.9, 1083. 309.1, 1064. 310.2, 1049. 311.3, 1036. 312.5, 1238. 313.6, 1234. 314.7, 1522. 315.9, 1920. 317., 2499. 318.1, 3085. 319.3, 3584. 320.4, 3869. 321.5, 3749. 322.7, 3386. 323.8, 3012. 324.9, 2324. 326., 1973. 327.2, 1742. 328.3, 1638. 329.4, 1478. 330.6, 1214. 331.7, 1180. 332.8, 1112. 334., 960. 335.1, 940. 336.2, 940. 337.3, 1005. 338.5, 1102. 339.6, 1163. 340.7, 1244. 341.9, 1249. 343., 1571. 344.1, 1703. 345.3, 1927. 346.4, 2073. 347.5, 2489. 348.6, 2858. 349.8, 3302. 350.9, 3731. 352., 3922. 353.1, 3810. 354.3, 3936. 355.4, 3819. 356.5, 3287. 357.7, 2853. 358.8, 2515. 359.9, 1982. 361., 1718. 362.2, 1499. 363.3, 1107. 364.4, 1133. 365.5, 948. 366.7, 844. 367.8, 797. 368.9, 802. 370., 765. 371.2, 788. 372.3, 745. 373.4, 578. 374.5, 586. 375.7, 691. 376.8, 682. 377.9, 590. 379., 450. 380.2, 530. 381.3, 475. 382.4, 553. 383.5, 448. 384.7, 483. 385.8, 382. 386.9, 495. 388., 409. 389.2, 458. 390.3, 493. 391.4, 591. 392.5, 594. 393.7, 655. 394.8, 594. 395.9, 722. 397., 840. 398.1, 842. 399.3, 961. 400.4, 1128. 401.5, 1196. 402.6, 1463. 403.8, 1645. 404.9, 1860. 406., 1955. 407.1, 1997. 408.2, 1923. 409.4, 1866. 410.5, 1873. 411.6, 1837. 412.7, 1818. 413.9, 1808. 415., 1812. 416.1, 1761. 417.2, 1619. 418.3, 1351. 419.5, 1373. 420.6, 1199. 421.7, 1244. 422.8, 1259. 423.9, 1150. 425.1, 1150. 426.2, 1202. 427.3, 1409. 428.4, 1418. 429.5, 1645. 430.7, 1553. 431.8, 1862. 432.9, 1901. 434., 2206. 435.1, 2394. 436.2, 2790. 437.4, 2887. 438.5, 3049. 439.6, 3021. 440.7, 2774. 441.8, 2424. 443., 2053. 444.1, 1811. 445.2, 1492. 446.3, 1391. 447.4, 1188. 448.5, 1107. 449.7, 811. 450.8, 911. 451.9, 765. 453., 741. 454.1, 655. 455.2, 679. 456.4, 687. 457.5, 671. 458.6, 725. 459.7, 633. 460.8, 581. 461.9, 590. 463., 612. 464.2, 683. 465.3, 788. 466.4, 625. 467.5, 763. 468.6, 791. 469.7, 833. 470.9, 866. 472., 802. 473.1, 807. 474.2, 930. 475.3, 918. 476.4, 1060. 477.5, 1119. 478.7, 1124. 479.8, 1171. 480.9, 1261. 482., 1285. 483.1, 1057. 484.2, 1196. 485.3, 1138. 486.4, 1207. 487.6, 1149. 488.7, 1155. 489.8, 1047. 490.9, 1238. 492., 1203. 493.1, 1074. 494.2, 1103. 495.3, 1093. 496.5, 1080. 497.6, 1097. 498.7, 1173. 499.8, 1077. 500.9, 1205. 502., 1121. 503.1, 1286. 504.2, 1242. 505.3, 1141. 506.5, 1281. 507.6, 1215. 508.7, 1333. 509.8, 1331. 510.9, 1391. 512., 1399. 513.1, 1305. 514.2, 1426. 515.3, 1468. 516.4, 1542. 517.6, 1473. 518.7, 1535. 519.8, 1548. 520.9, 1606. 522., 1663. 523.1, 2074. 524.2, 2425. 525.3, 2829. 526.4, 3426. 527.5, 4080. 528.6, 4376. 529.7, 4777. 530.9, 4590. 532., 4322. 533.1, 3705. 534.2, 3157. 535.3, 2595. 536.4, 2340. 537.5, 2076. 538.6, 1690. 539.7, 1579. 540.8, 1480. 541.9, 1426. 543., 1359. 544.1, 1167. 545.2, 1166. 546.4, 1139. 547.5, 1142. 548.6, 1055. 549.7, 935. 550.8, 926. 551.9, 990. 553., 911. 554.1, 990. 555.2, 958. 556.3, 904. 557.4, 983. 558.5, 944. 559.6, 1043. 560.7, 937. 561.8, 946. 562.9, 924. 564., 841. 565.1, 887. 566.2, 859. 567.3, 801. 568.4, 794. 569.6, 885. 570.7, 836. 571.8, 970. 572.9, 910. 574., 1005. 575.1, 946. 576.2, 924. 577.3, 867. 578.4, 862. 579.5, 866. 580.6, 793. 581.7, 978. 582.8, 1033. 583.9, 1029. 585., 893. 586.1, 1095. 587.2, 1016. 588.3, 1149. 589.4, 1184. 590.5, 1070. 591.6, 1247. 592.7, 1169. 593.8, 1263. 594.9, 1436. 596., 1370. 597.1, 1267. 598.2, 1421. 599.3, 1546. 600.4, 1514. 601.5, 1594. 602.6, 1549. 603.7, 1309. 604.8, 1166. 605.9, 1197. 607., 1233. 608.1, 1129. 609.2, 1195. 610.3, 1093. 611.4, 1044. 612.5, 1016. 613.6, 1099. 614.7, 1268. 615.8, 1047. 616.9, 1095. 618., 1122. 619.1, 1069. 620.2, 1029. 621.3, 967. 622.4, 1090. 623.5, 1127. 624.6, 1167. 625.7, 1097. 626.8, 1181. 627.9, 988. 629., 1215. 630.1, 1182. 631.2, 1102. 632.3, 1145. 633.3, 1196. 634.4, 1050. 635.5, 1099. 636.6, 1112. 637.7, 1230. 638.8, 1165. 639.9, 1162. 641., 1363. 642.1, 1106. 643.2, 1208. 644.3, 1250. 645.4, 1126. 646.5, 1143. 647.6, 1085. 648.7, 1241. 649.8, 1118. 650.9, 1153. 652., 1197. 653.1, 1111. 654.2, 1273. 655.3, 1204. 656.3, 1164. 657.4, 976. 658.5, 1137. 659.6, 1063. 660.7, 1116. 661.8, 1136. 662.9, 1014. 664., 1072. 665.1, 973. 666.2, 1039. 667.3, 1040. 668.4, 1099. 669.5, 1087. 670.6, 1078. 671.7, 981. 672.7, 1151. 673.8, 1063. 674.9, 1100. 676., 1047. 677.1, 1143. 678.2, 1136. 679.3, 1173. 680.4, 1207. 681.5, 1128. 682.6, 1084. 683.7, 1238. 684.7, 1061. 685.8, 1160. 686.9, 1218. 688., 1225. 689.1, 1296. 690.2, 1254. 691.3, 1157. 692.4, 1427. 693.5, 1216. 694.6, 1264. 695.7, 1372. 696.7, 1294. 697.8, 1337. 698.9, 1215. 700., 1253. 701.1, 1519. 702.2, 1293. 703.3, 1372. 704.4, 1429. 705.5, 1489. 706.5, 1362. 707.6, 1254. 708.7, 1298. 709.8, 1548. 710.9, 1491. 712., 1666. 713.1, 1724. 714.2, 1679. 715.2, 1766. 716.3, 1750. 717.4, 1872. 718.5, 1679. 719.6, 1582. 720.7, 1498. 721.8, 1610. 722.9, 1545. 723.9, 1408. 725., 1443. 726.1, 1214. 727.2, 1335. 728.3, 1183. 729.4, 1206. 730.5, 1161. 731.5, 1017. 732.6, 896. 733.7, 1060. 734.8, 1010. 735.9, 1022. 737., 1075. 738.1, 1135. 739.1, 1054. 740.2, 995. 741.3, 873. 742.4, 988. 743.5, 934. 744.6, 970. 745.6, 1018. 746.7, 1017. 747.8, 1100. 748.9, 979. 750., 1104. 751.1, 1050. 752.1, 960. 753.2, 1073. 754.3, 890. 755.4, 1006. 756.5, 965. 757.6, 952. 758.6, 935. 759.7, 1024. 760.8, 1001. 761.9, 1009. 763., 927. 764.1, 1081. 765.1, 954. 766.2, 1122. 767.3, 1035. 768.4, 1006. 769.5, 1099. 770.5, 1174. 771.6, 1029. 772.7, 1025. 773.8, 984. 774.9, 947. 776., 1082. 777., 947. 778.1, 1032. 779.2, 1047. 780.3, 879. 781.4, 1486. 782.4, 1165. 783.5, 951. 784.6, 966. 785.7, 1011. 786.8, 831. 787.8, 1110. 788.9, 1008. 790., 925. 791.1, 1108. 792.1, 1076. 793.2, 1040. 794.3, 1057. 795.4, 1125. 796.5, 1043. 797.5, 1052. 798.6, 966. 799.7, 1049. 800.8, 1105. 801.9, 1170. 802.9, 1233. 804., 1075. 805.1, 1061. 806.2, 1115. 807.2, 1163. 808.3, 1127. 809.4, 1205. 810.5, 1210. 811.6, 1128. 812.6, 1318. 813.7, 1245. 814.8, 1136. 815.9, 1028. 816.9, 1168. 818., 1223. 819.1, 1027. 820.2, 1047. 821.2, 1222. 822.3, 1109. 823.4, 1051. 824.5, 1084. 825.5, 1145. 826.6, 1052. 827.7, 1132. 828.8, 1155. 829.8, 1060. 830.9, 1131. 832., 1184. 833.1, 1142. 834.1, 1069. 835.2, 1107. 836.3, 1141. 837.4, 1097. 838.4, 1067. 839.5, 1091. 840.6, 1023. 841.7, 1106. 842.7, 1238. 843.8, 1021. 844.9, 980. 846., 1115. 847., 1140. 848.1, 1093. 849.2, 1134. 850.2, 1153. 851.3, 1078. 852.4, 1161. 853.5, 1109. 854.5, 1126. 855.6, 1006. 856.7, 1068. 857.7, 998. 858.8, 1135. 859.9, 1212. 861., 1091. 862., 1135. 863.1, 1217. 864.2, 1160. 865.2, 1039. 866.3, 1094. 867.4, 1104. 868.5, 1071. 869.5, 1371. 870.6, 1177. 871.7, 1163. 872.7, 945. 873.8, 1087. 874.9, 1172. 876., 1075. 877., 1177. 878.1, 1307. 879.2, 1311. 880.2, 1163. 881.3, 1150. 882.4, 1306. 883.4, 1094. 884.5, 1164. 885.6, 1169. 886.6, 1166. 887.7, 1134. 888.8, 1259. 889.8, 1259. 890.9, 1155. 892., 1365. 893.1, 1100. 894.1, 1141. 895.2, 1117. 896.3, 1230. 897.3, 1194. 898.4, 1377. 899.5, 1182. 900.5, 1157. 901.6, 1304. 902.7, 1276. 903.7, 1359. 904.8, 1296. 905.9, 1429. 906.9, 1247. 908., 1345. 909.1, 1344. 910.1, 1283. 911.2, 1266. 912.3, 1307. 913.3, 1304. 914.4, 1295. 915.5, 1196. 916.5, 1345. 917.6, 1391. 918.7, 1278. 919.7, 1213. 920.8, 1323. 921.8, 1226. 922.9, 1391. 924., 1279. 925., 1480. 926.1, 1342. 927.2, 1326. 928.2, 1360. 929.3, 1332. 930.4, 1350. 931.4, 1319. 932.5, 1432. 933.6, 1362. 934.6, 1375. 935.7, 1128. 936.7, 1373. 937.8, 1341. 938.9, 1444. 939.9, 1537. 941., 1446. 942.1, 1697. 943.1, 1329. 944.2, 1594. 945.2, 1439. 946.3, 1580. 947.4, 1589. 948.4, 1429. 949.5, 1575. 950.6, 1515. 951.6, 1775. 952.7, 1773. 953.7, 1773. 954.8, 1777. 955.9, 1955. 956.9, 1995. 958., 2058. 959., 2012. 960.1, 2031. 961.2, 2031. 962.2, 1957. 963.3, 1982. 964.3, 1916. 965.4, 1924. 966.5, 1864. 967.5, 1781. 968.6, 1775. 969.6, 1936. 970.7, 1968. 971.8, 1830. 972.8, 1898. 973.9, 1979. 974.9, 1896. 976., 1930. 977.1, 1972. 978.1, 1843. 979.2, 2059. 980.2, 1995. 981.3, 2170. 982.4, 2218. 983.4, 2420. 984.5, 2469. 985.5, 2833. 986.6, 2909. 987.6, 2921. 988.7, 2871. 989.8, 2749. 990.8, 2839. 991.9, 2556. 992.9, 2491. 994., 2551. 995., 2754. 996.1, 2915. 997.2, 2883. 998.2, 3074. 999.3, 3666. 1000.3, 4005. 1001.4, 4259. 1002.4, 4751. 1003.5, 4973. 1004.6, 5230. 1005.6, 5274. 1006.7, 5117. 1007.7, 4830. 1008.8, 4315. 1009.8, 3905. 1010.9, 3756. 1011.9, 3283. 1013., 3229. 1014., 2927. 1015.1, 2726. 1016.2, 2606. 1017.2, 2414. 1018.3, 2365. 1019.3, 2410. 1020.4, 2271. 1021.4, 2185. 1022.5, 2080. 1023.5, 2137. 1024.6, 2086. 1025.6, 2133. 1026.7, 1974. 1027.8, 2050. 1028.8, 2010. 1029.9, 2027. 1030.9, 2078. 1032., 2235. 1033., 2217. 1034.1, 2484. 1035.1, 2558. 1036.2, 2487. 1037.2, 2518. 1038.3, 2312. 1039.3, 2289. 1040.4, 2057. 1041.4, 1864. 1042.5, 1926. 1043.5, 1873. 1044.6, 1927. 1045.6, 1938. 1046.7, 1775. 1047.7, 1956. 1048.8, 1822. 1049.8, 1820. 1050.9, 1944. 1051.9, 2036. 1053., 2020. 1054., 2144. 1055.1, 2410. 1056.2, 2477. 1057.2, 2432. 1058.3, 2657. 1059.3, 2588. 1060.4, 2540. 1061.4, 2419. 1062.4, 2415. 1063.5, 2203. 1064.5, 2231. 1065.6, 2123. 1066.6, 2004. 1067.7, 2022. 1068.7, 2039. 1069.8, 1960. 1070.8, 1942. 1071.9, 2005. 1072.9, 2085. 1074., 1989. 1075., 2028. 1076.1, 2118. 1077.1, 2187. 1078.2, 2293. 1079.2, 2224. 1080.3, 2267. 1081.3, 2519. 1082.4, 2285. 1083.4, 2472. 1084.5, 2317. 1085.5, 2358. 1086.6, 2095. 1087.6, 2267. 1088.7, 2038. 1089.7, 2167. 1090.7, 2097. 1091.8, 1964. 1092.8, 1766. 1093.9, 1832. 1094.9, 1804. 1096., 1725. 1097., 1776. 1098.1, 1839. 1099.1, 1637. 1100.2, 1706. 1101.2, 1613. 1102.3, 1647. 1103.3, 1527. 1104.3, 1873. 1105.4, 1635. 1106.4, 1782. 1107.5, 1696. 1108.5, 1621. 1109.6, 1517. 1110.6, 1597. 1111.7, 1563. 1112.7, 1687. 1113.7, 1634. 1114.8, 1464. 1115.8, 1488. 1116.9, 1705. 1117.9, 1590. 1119., 1455. 1120., 1493. 1121., 1542. 1122.1, 1558. 1123.1, 1550. 1124.2, 1497. 1125.2, 1503. 1126.3, 1516. 1127.3, 1382. 1128.3, 1429. 1129.4, 1512. 1130.4, 1580. 1131.5, 1452. 1132.5, 1468. 1133.6, 1529. 1134.6, 1365. 1135.6, 1504. 1136.7, 1481. 1137.7, 1486. 1138.8, 1429. 1139.8, 1502. 1140.9, 1430. 1141.9, 1454. 1142.9, 1423. 1144., 1471. 1145., 1572. 1146.1, 1520. 1147.1, 1593. 1148.1, 1410. 1149.2, 1485. 1150.2, 1443. 1151.3, 1462. 1152.3, 1457. 1153.3, 1387. 1154.4, 1531. 1155.4, 1545. 1156.5, 1518. 1157.5, 1386. 1158.5, 1372. 1159.6, 1408. 1160.6, 1377. 1161.7, 1407. 1162.7, 1406. 1163.7, 1408. 1164.8, 1348. 1165.8, 1388. 1166.8, 1546. 1167.9, 1355. 1168.9, 1429. 1170., 1381. 1171., 1429. 1172., 1421. 1173.1, 1419. 1174.1, 1437. 1175.1, 1427. 1176.2, 1406. 1177.2, 1437. 1178.3, 1456. 1179.3, 1647. 1180.3, 1457. 1181.4, 1556. 1182.4, 1362. 1183.4, 1477. 1184.5, 1417. 1185.5, 1532. 1186.6, 1452. 1187.6, 1562. 1188.6, 1392. 1189.7, 1426. 1190.7, 1510. 1191.7, 1594. 1192.8, 1688. 1193.8, 1585. 1194.8, 1346. 1195.9, 1496. 1196.9, 1521. 1197.9, 1490. 1199., 1433. 1200., 1592. 1201., 1309. 1202.1, 1597. 1203.1, 1668. 1204.2, 1542. 1205.2, 1503. 1206.2, 1570. 1207.3, 1396. 1208.3, 1756. 1209.3, 1617. 1210.4, 1558. 1211.4, 1523. 1212.4, 1518. 1213.5, 1512. 1214.5, 1514. 1215.5, 1550. 1216.6, 1545. 1217.6, 1469. 1218.6, 1519. 1219.7, 1567. 1220.7, 1611. 1221.7, 1549. 1222.8, 1570. 1223.8, 1469. 1224.8, 1617. 1225.8, 1658. 1226.9, 1514. 1227.9, 1639. 1228.9, 1485. 1230., 1534. 1231., 1569. 1232., 1540. 1233.1, 1442. 1234.1, 1666. 1235.1, 1590. 1236.2, 1509. 1237.2, 1491. 1238.2, 1630. 1239.3, 1539. 1240.3, 1763. 1241.3, 1587. 1242.3, 1547. 1243.4, 1686. 1244.4, 1663. 1245.4, 1667. 1246.5, 1447. 1247.5, 1534. 1248.5, 1672. 1249.6, 1573. 1250.6, 1490. 1251.6, 1546. 1252.6, 1577. 1253.7, 1704. 1254.7, 1581. 1255.7, 1495. 1256.8, 1451. 1257.8, 1598. 1258.8, 1621. 1259.8, 1609. 1260.9, 1647. 1261.9, 1634. 1262.9, 1609. 1264., 1763. 1265., 1491. 1266., 1724. 1267., 1639. 1268.1, 1591. 1269.1, 1583. 1270.1, 1764. 1271.1, 1707. 1272.2, 1637. 1273.2, 1599. 1274.2, 1647. 1275.3, 1661. 1276.3, 1780. 1277.3, 1880. 1278.3, 1634. 1279.4, 1681. 1280.4, 1571. 1281.4, 1740. 1282.4, 1662. 1283.5, 1501. 1284.5, 1590. 1285.5, 1726. 1286.5, 1758. 1287.6, 1756. 1288.6, 1658. 1289.6, 1656. 1290.6, 1613. 1291.7, 1770. 1292.7, 1778. 1293.7, 1678. 1294.7, 1777. 1295.8, 1878. 1296.8, 1736. 1297.8, 1873. 1298.8, 1845. 1299.9, 1728. 1300.9, 1835.