Category: Volcanic
Type
Commons
Name origin
Locality
GPS: 19° 56' 49.69" N, 155° 50' 0.61" 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. %)
49.94
2.75
17.22
4.07
6.81
0.21
3.59
6.98
4.79
1.89
0.90
99.16
Molecular
weight
60.08
79.88
101.96
159.69
71.85
70.94
40.31
56.08
61.98
94.2
141.95
Molecular
proportion
0.8312
0.0344
0.1689
0.0255
0.0977
0.0030
0.0891
0.1245
0.0773
0.0201
0.0063
1
ap
0.0211
0.0063
0.0063
328.68
2.08
ap
0.0211
0.0063
0.0063
328.68
2.08
4
il
0.0344
0.0344
0.0344
151.75
5.22
il
0.0344
0.0344
0.0344
151.75
5.22
8
or
0.1204
0.0201
0.0201
0.0201
556.67
11.17
or
0.1204
0.0201
0.0201
0.0201
556.67
11.17
8
ab´
0.4637
0.0773
0.0773
0.0773
524.46
40.53
ab´
0.4637
0.0773
0.0773
0.0773
524.46
40.53
10
an
0.1431
0.0715
0.0715
0.0715
278.21
19.90
an
0.1431
0.0715
0.0715
0.0715
278.21
19.90
13
mt
0.0255
0.0255
0.0255
231.54
5.91
mt
0.0255
0.0255
0.0255
231.54
5.91
14
zvyšky
0.0378
0.0891
zvyšky
0.0378
0.0891
15
di
0.0636
0.0095
0.0223
0.0318
0.0318
225.95
7.18
di
0.0636
0.0095
0.0223
0.0318
0.0318
225.95
7.18
17
hy´
0.0950
0.0283
0.0667
0.0950
109.78
10.43
hy´
0.0950
0.0283
0.0667
0.0950
109.78
10.43
20
ol
0.0475
0.0283
0.0667
0.0475
159.48
7.58
ol
0.0475
0.0283
0.0667
0.0475
159.48
7.58
22
ne
0.0035
0.0009
0.0018
0.0018
284.11
0.50
ne
0.0035
0.0009
0.0018
0.0018
284.11
0.50
22
ab
0.4531
0.0764
0.0755
0.0755
524.46
39.61
Y: 0.8859ab
0.4531
0.0764
0.0755
0.0755
524.46
39.61
D: 0.0546
Mg/(Mg+Fe2+): 0.702
Total of normative wt. % 99.16
Comment
Chemical composition
-
SiO2
49.94TiO2
2.75Al2O3
17.22Fe2O3
4.07FeO
6.81MnO
0.21MgO
3.59CaO
6.98Na2O
4.79K2O
1.89P2O5
0.90LOI
0.42Total
99.15Mg(Mg/Fe2+)
0.48A/CNK
0.76A/NK
1.73
-
SiO2
50.12TiO2
2.86Al2O3
17.17Fe2O3
1.44FeO
9.53MnO
0.22MgO
4.11CaO
7.08Na2O
4.70K2O
1.86P2O5
0.90Total
99.99Mg(Mg/Fe2+)
0.43A/CNK
0.76A/NK
1.76
-
SiO2
49.44TiO2
3.08Al2O3
16.92Fe2O3
1.48FeO
9.80MnO
0.21MgO
4.55CaO
7.39Na2O
4.50K2O
1.76P2O5
0.87Total
100.00Mg(Mg/Fe2+)
0.45A/CNK
0.74A/NK
1.82