029 Mineral Formulas

	B	C	D	E
1	Igneous and Metamorphic Petrology By John B. Brady Rock Library Mineral Analyses
2
3
4
5	Rock 029– Leucite Tephrite Analyst: Clémentine Hamelin
6
7
8
9	AUGITE1
10	Element	Wt %	Formula	Error %
11	Mg K	10.17	0.92	6.5
12	Al K	1.21	0.10	8.8
13	Si K	24.96	1.94	4.4
14	Ca K	17.12	0.93	2.4
15	Fe K	2.88	0.11	7.4
16	Oxygen (calc)	43.86	6
17	Total	100.20	10.00
18
19	AUGITE2
20	Element	Wt %	Formula	Error %
21	Mg K	7.82	0.72	6.8
22	Al K	4.26	0.35	6.4
23	Si K	21.99	1.76	4.7
24	Ca K	16.67	0.93	2.4
25	Ti K	0.74	0.03	17.3
26	Fe K	5.78	0.23	4.6
27	Oxygen (calc)	42.79	6
28	Total	100.05	10.02
29
30	LEUCITE
31	Element	Wt %	Formula	Error %
32	Na K	0.28	0.03	20.2
33	Al K	12.4	0.97	4.5
34	Si K	26.66	2.01	4.3
35	K K	18.9	1.02	2.6
36	Oxygen (calc)	45.37	6
37	Total	103.61	10.03
38
39	OLIVINE1
40	Element	Wt %	Formula	Error %
41	Mg K	24.28	1.53	6.5
42	Si K	18.42	1.01	5.6
43	Ca K	0.30	0.01	21.1
44	Mn K	0.32	0.01	36.6
45	Fe K	15.8	0.43	2.8
46	Oxygen (calc)	41.71	4
47	Total	100.83	6.99
48
49	OLIVINE2
50	Element	Wt %	Formula	Error %
51	Mg K	12.43	0.89	7.9
52	Si K	16.09	1.00	5.8
53	Ca K	0.50	0.02	13.0
54	Mn K	0.75	0.02	18.6
55	Fe K	33.7	1.06	2.2
56	Oxygen (calc)	36.59	4	0.0
57	Total	100.06	6.99
58
59	PLAGIOCLASE
60	Element	Wt %	Formula	Error %
61	Na K	1.85	0.22	9.7
62	Al K	17.04	1.74	4.6
63	Si K	22.9	2.25	4.9
64	K K	0.51	0.04	18.2
65	Ca K	10.87	0.75	2.7
66	Fe K	0.52	0.03	27.5
67	Oxygen (calc)	46.48	8
68	Total	100.17	13.03
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100