.
Taşların
kırılma indeksleri, faset açıları ve kullanılan cila malzemesi
.
Taşlar |
Kırılma
indeksi |
Kritik
açı |
Taç
bezel/külah bezel faset açısı
|
Sertlik
Moh's
|
Cila
malzemesi |
Vargas |
M.D.R. |
Schlagel |
andalusit
|
1.63-1.64
B-
|
37.5
|
41/42
|
43/39
|
35/39
|
7
1/2
|
aluminum
oksit
|
apatit
|
1.63-1.64
U-
|
37.5
|
41/42
|
43/39
|
35/39
|
5
|
aluminum
oksit
|
benitoit
|
1.76-1.80
|
39
|
-
|
-
|
-
|
6
1/2
|
sirium
oksit
|
beril
|
1.56-1.59
U
|
39.27
|
42/43
|
42/43
|
37/41
|
7
- 7 1/2
|
aluminum
oksit
|
elmas
|
1.74-1.75
B
|
24.43
|
-
|
35/41
|
-
|
10
|
elmas
tozu
|
feldspar
gurubu
|
-
|
41
|
42/44
|
42/43
|
39/43
|
6
- 6 1/2
|
-
|
labradorit
|
1.559-1.568B+
|
-
|
-
|
-
|
-
|
-
|
aluminum
oksit
|
microklin
|
1.522-1.530
B-
|
-
|
-
|
-
|
-
|
-
|
aluminum
oksit
|
orthoklaz
|
1.518-1.526B-
|
-
|
-
|
-
|
-
|
-
|
aluminum
oksit
|
oligoklaz
|
1.539-1.547
|
-
|
-
|
-
|
-
|
-
|
aluminum
oksit
|
florit
|
1.43 |
44.37 |
43/45 |
41/45 |
41/45 |
4 |
aluminum
oksit |
garnet
gurubu
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
almandin
|
1.76to1.81
|
34.5
|
39/41
|
37/42
|
36/40
|
7
1/2
|
aluminum
oksit
|
grossular
|
1.74to1.75
|
35
|
40/41
|
37/42
|
36/40
|
7
1/4
|
aluminum
oksit
|
pirop
|
1.74to1.76
|
35
|
40/41
|
37/42
|
35/39
|
7
1/4
|
aluminum
oksit
|
andradit
|
1.89
|
32
|
-
|
37/42
|
-
|
6
1/2
|
aluminum
oksit
|
spessertin
|
1.80-1.82
|
33.5
|
39/42
|
37/42
|
36/40
|
7
1/4
|
aluminum
oksit
|
iolit
|
1.54-1.56B-
|
40
|
42/43
|
42/43
|
38/42
|
7
- 7 1/2
|
aluminum
oksit
|
jade
gurubu
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
yeşim
|
1.65to1.67
|
-
|
-
|
-
|
-
|
7
|
-
|
nefrit
|
1.62
|
-
|
-
|
-
|
-
|
6
1/2
|
-
|
korundum
|
1.76-1.78
U
|
34.62
|
40/42
|
37/42
|
36/40
|
9
|
elmas
tozu
|
krisoberil
|
1.74-1.75
B
|
35
|
40/42
|
37/42
|
37/42
|
8
1/2
|
elmas
tozu
|
kuartz
|
1.544-1.553
U
|
40.33
|
42/43
|
42/43
|
38/42
|
7
|
sirium
oksit |
mikrokristalinkuartz |
1.53to1.54
U |
- |
- |
- |
- |
6
- 7 |
sirium
oksit |
kübik
zirkon |
2.15-2.18 |
27 |
- |
35/41 |
- |
8
1/2 |
elmas
tozu |
mosanit
|
1.85
|
22.17
|
-
|
-
|
-
|
4
|
elmas
tozu
|
opal
|
1.45
|
43.6
|
43/44
|
41/45
|
41/45
|
6
|
sirium
oksit
|
peridot
|
1.65to1.6
B-/+
|
37.31
|
41/42
|
43/39
|
35/39
|
6
1/2
|
aluminum
oksit
|
sfen
|
1.89-2.02
|
35.5
|
38/41
|
35/41
|
37/41
|
5
1/2
|
aluminum
oksit
|
skapolit
|
1.54-1.58U-
|
40
|
42/43
|
42/43
|
38/42
|
6
|
aluminum
oksit
|
spinel
|
1.712
|
35.55
|
40/42
|
37/42
|
35/39
|
8
|
elmas
tozu |
spodumen
|
1.66-1.68 B+
|
37
|
-
|
-
|
-
|
7
|
sirium
oksit
|
tanzanit(zoizit)
|
1.69-1.70B+
|
35
|
40/42
|
43/39
|
35/39
|
6
1/2
|
aluminum
oksit
|
topaz
|
1.61-1.64
B
|
38.4
|
41/42
|
43/39
|
36/40
|
8
|
elmas
tozu
|
turmalin
|
1.62to1.65
U
|
38.12
|
41/42
|
43/39
|
36/40
|
7
|
elmas
tozu
|
zirkon
|
(1.78-1.84)
(1.93-1.99)U
|
33.54
|
37/41
|
35/41
|
36/40
|
6
1/2-7 1/2
|
aluminum
oksit |
|