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王群老兄。结果没出来之前,建议您别发类似的帖子,如果您还尊重陨石中国,就别发类似 ...
yujiachang 发表于 2010-6-6 08:43
谢谢提醒,以下是本人复制的“陨石网”“陨石中国”版主做的分析,希望得到专家指教。
用户名:meteoritechina
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“陨石中国”是我,Google搜索“陨石中国”排第三,是我做的分析,这是刚玉的XRD卡片,附图是样品的XRD谱图,附图中竖线是刚玉的谱峰位置。如果看不懂就找个专门从事矿物晶体结构分析的人问问。, m) |8 O3 L% L' N3 y7 R5 h4 V1 J* N
9 q4 i1 Y8 p8 [" x L刚玉的XRD卡片:! p' ~* u" ^. S2 {( m
! G x) L I1 S" A! j" P( t
Name and formula
7 e9 ?' ^3 O9 w4 f; v! C& g" s+ z! c6 O! A
Reference code: 01-074-1081
: d5 ~0 i) G) X/ e% }
6 l5 r7 B$ |7 A$ w* E- x) p1 s/ yMineral name: Corundum 9 G2 w% ]5 D* q0 _. c
Common name: Aluminium oxide - alpha ) F8 F& k3 `- X; J5 Y
ICSD name: Aluminum Oxide & y: i* l4 K) ^
: O; U9 S6 ?2 X
Empirical formula: Al2O3 - P, g# v5 \$ H6 Z. z
Chemical formula: Al2O3 9 x' S$ X+ {% h8 Q! `9 P' A1 M+ F) e
8 _1 O! E9 |, [* A+ T1 @, W" |9 f
Crystallographic parameters- C5 j2 M3 W! b. K# P% u8 U
1 @ \" J; E& |8 c) O$ D; VCrystal system: Rhombohedral 1 }* d- C' e Y! n9 ?
Space group: R-3c
0 }+ x! ] a' M$ d, x' Q" CSpace group number: 1676 X; | R- K6 |0 m' v7 r" J+ C
' b) k+ S$ k E0 N* Xa (?): 5.1280
+ c5 x" F; R3 \8 W0 m( Q; {b (?): 5.1280 6 [) H: N7 H, H+ x
c (?): 5.1280
/ g# ^- H" h2 G- j$ t( \5 a3 c# p8 \4 j5 qAlpha (°): 55.2700 7 g) f# K* F- i: \% w
Beta (°): 55.2700 " J! {* j, R, P6 N6 R( ~
Gamma (°): 55.2700
$ R6 c3 Y( @7 X& N
' d5 X4 `" Y! q# {; s' wCalculated density (g/cm^3): 3.99 $ H' L( f! w( [, Q6 g6 t
Volume of cell (10^6 pm^3): 254.61 * A1 u# C/ o. X( m0 U
Z: 2.00 7 R2 U) w% S% j- g0 z' d9 O5 p
K! i* O6 C, p( F a* N5 c, a( B: s
RIR: 0.99
, w' T- |( p9 b; e0 A+ l
" a9 K9 ~9 l! I9 U$ R; [% c) A% w$ m$ p( H1 J, e4 b
Subfiles and Quality& ?" p s0 \0 v% I" P
) f- k( ^9 U' R2 J5 {
Subfiles: Inorganic3 z* @! ]; ^! B6 p' u
Mineral7 h' q# M, }7 B" J( O& d
Alloy, metal or intermetalic! k1 N& A6 `: o
Corrosion
- U) Q1 q6 A8 {% [- L) T ICSD Pattern4 N& g; K! p( A) Y1 T
Quality: Calculated (C)
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Comments
/ a2 p2 A, \' D& V$ F# \
- B7 H: n5 [0 k! XAdditional pattern: See PDF 00-043-1484.
6 G b$ c8 ^4 f1 I$ S0 uICSD collection code: 026790
, w, s/ v. ^( _+ Y+ E- y0 iTest from ICSD: At least one TF missing. # a C1 ~* _& k5 Z
] V3 N8 K/ l, n% y5 p- i5 cReferences6 l$ K' r5 ^0 o- _% K! R
( b/ }- Y$ B- q2 Z, r! y* l9 uPrimary reference: Calculated from ICSD using POWD-12++, (1997)/ Z" f. o$ \7 I: n6 W
Structure: Saalfeld, H., Z. Kristallogr., Kristallgeom., Kristallphys., Kristallchem., 120, 342, (1964)
- a' b8 Y9 m: s! }4 z% K( ~# v4 @* R( H+ q4 I
Peak list1 s, w' G0 A4 s$ t
! d ^* x. w A0 F! u+ UNo. h k l d [A] 2Theta[deg] I [%] 5 I! h* o9 s/ l4 w+ G
1 1 1 0 3.47906 25.584 58.00 R; ?1 y" R5 Q( [
2 2 1 1 2.55057 35.157 100.0+ y# ]2 ~; c: K* e
3 1 -1 0 2.37856 37.792 43.3: r+ F- {. W5 @8 m) `
4 2 2 2 2.16524 41.680 1.1
0 m1 U7 K) H' r& i7 b. C; i4 y9 m0 W# I 5 2 1 0 2.08478 43.368 86.7' u- P5 r( s; `5 r" F7 C( G1 D* M! L
6 2 0 0 1.96353 46.196 0.5
: a& `) p0 p8 W' X# _$ _0 ?: j. d1 M& T 7 2 2 0 1.73953 52.568 45.6
9 z* k0 t U& F) M" k 8 3 2 1 1.60117 57.513 68.1+ ~7 G% Z+ i& X" d
9 2 -1 0 1.54607 59.766 2.5+ ?) J* ]& o& \9 R2 F
10 2 -1 1 1.51423 61.156 1.4- g1 N: A" H b3 H+ j, k+ M2 l
11 3 3 2 1.51079 61.310 9.8
, X# `3 {9 r" G' s7 X 12 3 1 0 1.40410 66.543 31.4+ a- W% g0 u* v# Y
13 1 -2 1 1.37326 68.240 42.3
5 C8 a: t! Z& A) [) ~9 S 14 3 2 0 1.33565 70.441 1.1
1 I; f2 f6 v) Z" H& h0 k9 i+ }8 R 15 4 2 2 1.27529 74.317 1.9
W( n5 Z6 Q% F 16 4 3 3 1.23900 76.882 10.8& S6 y6 \8 n, C' O9 p8 a
17 4 3 2 1.23402 77.250 6.5& q3 m' c3 U$ Z# e/ q# @, x0 L
18 4 2 1 1.19289 80.443 0.7: X% D( }: u K2 R- q
19 2 -2 0 1.18928 80.737 4.40 a* P9 W( C# y3 o5 m5 a# s
20 4 1 1 1.15969 83.246 0.2
' \8 [% F5 v( `3 y$ P 21 3 -1 1 1.14682 84.394 1.6
1 \: d1 g/ u* j" z! f! x 22 2 -2 1 1.13823 85.181 0.15 J- ]8 [ R# X# |4 x
23 3 -1 0 1.12534 86.393 2.5) D4 V# K7 I2 k. v0 C
24 4 3 1 1.12393 86.528 3.3
' r- J4 r4 K3 O2 o* R$ j, } O 25 4 4 2 1.09885 89.015 4.07 ]8 n$ h- ]; @
) ~# K* w. I9 F. `
, h! O1 q3 ~) w$ \" @* m补充样品XRD 谱峰数据列表,有空可以对照一下:
+ T$ v2 @; U. {8 W+ I
0 l. V1 E- S# aPeak List:8 m* u- \; Y6 p3 G! F) j
& E0 B) M8 D* n3 N# s8 y" U0 l. g
Pos. [°2Th.] Height [cts] FWHM [°2Th.] d-spacing [Å] Rel. Int. [%]
* B2 D$ p: A. K7 V5 A18.8862 1292.90 0.1506 4.69889 23.09; ?6 t8 b! I0 C5 Y; o1 \, k/ J
25.4784 1515.04 0.1506 3.49609 27.053 l( Z! }' P0 ~2 r0 u) O6 ]
27.3005 262.03 0.1338 3.26676 4.68 e6 X9 C/ K: k J
31.1545 2116.13 0.1506 2.87087 37.79: w ]+ E4 } m- s& c# A8 y
33.2732 73.26 0.4015 2.69275 1.31
1 S u. p# K* L1 P" ^35.0265 2343.51 0.1171 2.56188 41.85% r1 S% N+ k- Y2 h# N/ Y" n$ d8 i" M* j
36.6831 5600.42 0.1338 2.44990 100.00' p/ M4 e5 ?& G9 |( u+ E" v
37.6607 1148.47 0.1004 2.38852 20.51) L) n6 m! E8 y5 a
38.4198 100.29 0.1673 2.34306 1.794 F' ?& \' e$ S
43.1967 2576.75 0.1020 2.09265 46.01: ^/ V9 _' ?" t1 h$ r. n
43.3394 1196.19 0.0816 2.09127 21.36
9 x6 }8 H4 J: n# s+ {, A44.6321 2777.09 0.1428 2.02862 49.59
( a2 z/ E% T( Z* U44.7729 1622.51 0.0612 2.02760 28.97/ W6 n. I7 L, \3 W3 c5 k+ N5 [0 g
52.3862 1113.41 0.1020 1.74513 19.88
8 e' O3 q2 ^1 p3 w$ A8 n52.5568 543.28 0.0816 1.74420 9.70
6 g3 M9 _- u* z: P; N54.1056 114.41 0.3264 1.69367 2.04( W8 S5 ^! S& v' I
55.4609 463.86 0.1020 1.65544 8.28
- Y2 \; F! [+ R# A" @- d57.3476 2329.13 0.1020 1.60538 41.59
- {# ]/ z: t1 Y& d' O; S57.5188 1181.62 0.0816 1.60499 21.10
( m! e9 [+ S# m& O, _) |59.1671 2097.34 0.1224 1.56028 37.45
7 z4 R' \6 \; o8 @ L59.3357 1207.13 0.1020 1.56012 21.55; x; ^0 B8 u% }9 p' r7 a4 u; a
61.1428 209.02 0.1224 1.51451 3.73: w! d; c% E/ O' f" f7 t$ M+ L+ `
65.0408 3165.01 0.1020 1.43285 56.512 I2 N& ?, O1 K, h$ v2 p* _
65.2299 1741.76 0.1020 1.43270 31.10, h& f- p9 d1 G# P* r$ f! M! h e
66.3504 842.27 0.1224 1.40771 15.04/ }- M) b& F6 O6 w0 a' I2 K
66.5541 445.14 0.0816 1.40738 7.952 P+ Z r2 f' \! z. g
68.0423 1352.95 0.1224 1.37677 24.16
+ C0 y& K4 x1 A3 K. h68.2504 700.59 0.1224 1.37649 12.515 ~- s. t3 f7 W. a# s
74.0033 72.16 0.4896 1.27991 1.29 |