Category: Volcanic
Type
Commons
Name origin
Locality
GPS: 67° 37' 49" N, 26° 24' 52" E
Major minerals
Accessory minerals
Classification
Colour
Structure
Granularity
Texture
Alterations
Petrographic characteristics
Usage
Literature
Photomicrographs
Normative composition
Step of calculation
Normative minerals
SiO2
TiO2
ZrO2
Al2O3
Fe2O3
FeO
MnO
MgO
CaO
Na2O
K2O
P2O5
F
S
CO2
Total
Molar proportion of normative mineral
Molecular mass of normative mineral
Weight % of normative mineral
Normative minerals
SiO2
TiO2
ZrO2
Al2O3
Fe2O3
FeO
MnO
MgO
CaO
Na2O
K2O
P2O5
F
S
CO2
Total
Molar proportion of normative mineral
Molecular mass of normative mineral
Weight % of normative mineral
Oxide
(wt. %)
50.10
0.33
4.91
7.96
0.23
17.88
12.99
1.20
0.08
0.03
0.30
95.99
Molecular
weight
60.08
79.88
101.96
71.85
70.94
40.31
56.08
61.98
94.20
141.95
44.01
Molecular
proportion
0.8339
0.0041
0.0482
0.1140
0.0032
0.4431
0.2316
0.0194
0.0008
0.0002
0.0068
1
ap
0.0007
0.0002
0.0002
328.68
0.07
ap
0.0007
0.0002
0.0002
328.68
0.07
4
il
0.0041
0.0041
0.0041
151.75
0.63
il
0.0041
0.0041
0.0041
151.75
0.63
6
cc
0.0068
0.0068
0.0068
100.09
0.68
cc
0.0068
0.0068
0.0068
100.09
0.68
8
or
0.0051
0.0008
0.0008
0.0008
556.67
0.47
or
0.0051
0.0008
0.0008
0.0008
556.67
0.47
9
ab
0.1162
0.0194
0.0194
0.0194
524.46
10.15
ab
0.1162
0.0194
0.0194
0.0194
524.46
10.15
10
an
0.0559
0.0279
0.0278
0.0279
278.21
7.77
an
0.0559
0.0279
0.0278
0.0279
278.21
7.77
14
zvyšky
0.1099
0.4431
0.1962
zvyšky
0.1099
0.4431
0.1962
15
di
0.3923
0.0390
0.1572
0.1962
0.1962
222.83
43.71
di
0.3923
0.0390
0.1572
0.1962
0.1962
222.83
43.71
17
hy´
0.3568
0.0709
0.2859
0.3568
106.66
38.06
hy´
0.3568
0.0709
0.2859
0.3568
106.66
38.06
20
ol
0.0924
0.0184
0.0740
0.0924
153.23
14.16
ol
0.0924
0.0184
0.0740
0.0924
153.23
14.16
20
hy
0.1720
0.0525
0.2119
0.1720
106.66
18.35
Y: 0.9263hy
0.1720
0.0525
0.2119
0.1720
106.66
18.35
D: 0.0924
Mg/(Mg+Fe2+): 0.801
Total of normative wt. % 95.99
Comment
Chemical composition
-
SiO2
50.10TiO2
0.33Al2O3
4.91FeO
7.96MnO
0.23MgO
17.86CaO
12.99Na2O
1.20K2O
0.08P2O5
0.03LOI
3.50CO2
0.30Total
99.49Mg(Mg/Fe2+)
0.80A/CNK
0.19A/NK
2.38
-
SiO2
50.10TiO2
0.66Al2O3
6.51Fe2O3
11.53MnO
0.32MgO
17.63CaO
12.06Na2O
0.82K2O
0.38P2O5
0.04Total
100.00Mg(Mg/Fe2+)
0.75A/CNK
0.27A/NK
3.70