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Department of Mineralogy and Petrology
Faculty of Natural Sciences
Comenius University in Bratislava

Category: Plutonic

Type

Commons

Name origin

Locality

GPS: 43° 16' 34.75" N, 19° 59' 9.70" E

Major minerals

Accessory minerals

Classification

- Macro - Classification

Colour

Structure

Granularity

Texture

Alterations

Petrographic characteristics

Usage

Literature

Photomicrographs

- Micro 1 - Micro 2 - Micro 3 - Micro 4

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



Oxide
(wt. %)
66.30
0.41

16.03
5.53
0.00
0.15
0.54
1.97
6.07
0.87
0.17




98.04



Molecular
weight
60.08
79.88

101.96
159.69

70.94
40.31
56.08
61.98
94.2
141.95








Molecular
proportion
1.1035
0.0051

0.1572
0.0346

0.0021
0.0134
0.0351
0.0979
0.0093
0.0012





1
ap











0.0040


0.0012





0.0012
328.68
0.39
4
il




0.0021



0.0021











0.0021
151.75
0.32
4
ru




0.0030















0.0030
79.90
0.24
8
or



0.0554


0.0092






0.0092






0.0092
556.67
5.14
9
ab



0.5876


0.0979





0.0979







0.0979
524.46
51.36
10
an



0.0623


0.0311




0.0311








0.0311
278.21
8.66
10
c






0.0189













0.0189
101.96
1.93
13
hm







0.0346












0.0346
159.69
5.53
14
zvyšky








0.0000

0.0134
0.0000










17
hy



0.0134




0.0000

0.0134









0.0134
100.39
1.34
18
q



0.3848
















0.3848
60.08
23.12
Y: -0.3848
D: 0.7187
Mg/(Mg+Fe2+): 1.000
Total of normative wt. % 98.04

Comment

Chemical composition

-

SiO2
66.30TiO2
0.41Al2O3
16.03Fe2O3
5.53FeO
0.00MnO
0.15MgO
0.54CaO
1.97Na2O
6.07K2O
0.87P2O5
0.17LOI
2.70Total
100.74Mg(Mg/Fe2+)
všetko Fe je ako Fe3+A/CNK
1.10A/NK
1.47

-

SiO2
66.44TiO2
0.37Al2O3
15.88Fe2O3
0.00FeO
5.75MnO
0.16MgO
0.71CaO
1.38Na2O
6.15K2O
0.93P2O5
0.15LOI
2.01Total
100.01Mg(Mg/Fe2+)
0.18A/CNK
1.16A/NK
1.43

-

SiO2
65.4TiO2
0.98Al2O3
15.30Fe2O3
6.69FeO
0.00MnO
0.08MgO
1.33CaO
4.15Na2O
6.24K2O
0.17P2O5
0.00Total
100.32Mg(Mg/Fe2+)
všetko Fe je ako Fe3+A/CNK
0.85A/NK
1.46

-

SiO2
73.9TiO2
0.25Al2O3
13.7Fe2O3
4.21FeO
0.00MnO
0.00MgO
0.42CaO
2.94Na2O
4.46K2O
0.08P2O5
0.06Total
99.94Mg(Mg/Fe2+)
všetko Fe je ako Fe3+A/CNK
1.07A/NK
1.85

-

SiO2
71.1TiO2
0.27Al2O3
14.9Fe2O3
4.42FeO
0.00MnO
0.07MgO
1.45CaO
2.00Na2O
5.17K2O
0.56P2O5
0.05LOI
1.50Total
101.49Mg(Mg/Fe2+)
všetko Fe je ako Fe3+A/CNK
1.17A/NK
1.64