Speciation of Individual Mineral Particles of Micrometer Size by the ...

1500
1200
*
Major
* microcline (K-feldspar (KAlSi 3 O 8 ) )
XRD spectrum of K-feldspar
NIST SRM mineral sample.
counts/s
900
600
Minors
▼albite (Na-feldspar (NaAlSi 3 O 8 ) )
◊quartz (SiO 2 )
counts/s
300
0
* * *
*
▼▼* **
◊*
*
*
* *
*
* * * *
0 5 10 15 20 25 30 35 40 45 50 55 60
▼
65
▼▼
1200
1000
800
600
400
200
0
+ +
*
*
↓
◊↓
+▼
2θ
***
*
▼▼▼ *▼
▼ ▼▼▼ ▼ ♦ ◊
0 5 10 15 20 25 30 35 40 45 50 55 60 65
2θ
Majors
▼muscovite (KAl 2 (Si 3 Al)O 10 (OH,F) 2 )
* quartz (SiO 2 )
Minors
+ montmorillonite
((0.5Ca,Na) 0.7 (Al,Mg,Fe) 4 [(Si,Al) 8 O 20 ]
(OH) 4. nH 2 O)
♦albite (Na-feldspar (NaAlSi 3 O 8 ))
↓ orthoclase (K-feldspar (KAlSi 3 O 8 ))
◊kaolinite (Al 2 Si 2 O 5 (OH) 4 )
* *
*
*
*
*
*
*
*
XRD spectrum of a mineral
sample of muscovite and
quartz.