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Table 4 Pigments detected in samples by optical and polarized microscopy and micro-Raman spectroscopy

From: Systematic study of wall painting of the twelfth century from the Christ’s Transfiguration Cathedral of the Mirozhsky Monastery in Pskov (Russia) by complementary physico-chemical methods

Sample

Polarized microscopy

Optical microscopy of cross-sections

Micro-Raman spectroscopy

No and

color of layers

Pigments identified

Bands used for identification (cm–1)

1

Celadonite

3

Plaster

Calcite

153, 278, 711, 1085

 

Glauconite

 

Black

Amorphous carbon

1315br (broad), 1591br

 

Calcite

  

Calcite

151, 278, 722, 1086

 

Quartz

 

Green

Celadonite/glauconite

168sh (shoulder), 198, 281, 345sh, 379, 393, 433, 537, 683

2

Lazurite

3

Plaster

Calcite

152, 279, 711, 1085

 

Calcite

 

Black

Amorphous carbon

1313br, 1585br

 

Quartz

  

Calcite

155, 279, 1087

   

Blue

Lazurite

261, 283sh, 546, 598, 816, 1094, 1359, 1640, 1901, 2186

3

Yellow ochre

 

 
 

Calcite

    

5

Yellow ochre

2

Plaster

Calcite

154, 279, 711, 1085

 

Calcite

 

Yellow

Yellow ochre (goethite)

211, 301, 391, 475sh, 543

 

Quartz

  

Massicot

143

    

Calcite

280, 1085

6

Yellow ochre

4

Plaster

Calcite

151, 275, 710, 1084

 

Red ochre

  

Gypsum

415, 492, 618, 669, 1006, 1132

 

Glauconite

 

Green

Celadonite/glauconite

198, 278, 377, 541, 681

 

Calcite

 

Yellow

Yellow ochre (goethite)

291, 405

    

Calcite

277, 1084

    

Gypsum

428, 607, 1006

    

Titanium white (rutile)

445, 607

   

Red

Red ochre (hematite)

224, 290, 408

    

Amorphous carbon

1324br, 1597br

    

Calcite

275sh, 1084

    

Gypsum

408, 496, 616, 665, 1006

8

Red ochre

 

 
 

Calcite

    
 

Quartz

    

9

Calcite

 

 
 

Coal

    

10

Red ochre

2

Plaster

Calcite

152, 278, 711, 1084

 

Calcite

  

Gypsum

413, 1006

 

Quartz

 

Orange (red)

Red ochre (hematite)

221sh, 281, 412

    

Calcite

154, 281, 711, 1084

    

Gypsum

412, 492, 616, 1006, 1133

11

Red ochre

 

 
 

Calcite

    

12

Yellow ochre

2

Plaster

Calcite

152, 710, 1084

 

Calcite

 

Orange

Yellow ochre (goethite)

217, 281, 409, 608

 

Quartz

  

Calcite

154, 281, 711, 1084

13

Calcite

3

Plaster

Calcite

152, 277, 710, 1084

 

Quartz

 

Grey

Amorphous carbon

1317br, 1593br

    

Calcite

153, 278, 710, 1084

    

Gypsum

412, 492, 617, 668, 1006, 1133

   

White

Calcite

277, 711, 1085

    

Gypsum

202, 484, 629, 673, 1008, 1019

    

Amorphous carbon

1317br, 1591br

    

Titanium white (rutile)

441, 608

14

Lazurite

3

Plaster

Calcite

152, 278, 710, 1085

 

Red ochre

 

Blue

Lazurite

263, 541, 579sh, 815, 1092

 

Calcite

 

Grey

Amorphous carbon

1354br, 1594br

 

Quartz

  

Calcite

144, 274, 1084

    

Titanium white (rutile)

144, 247, 435, 609

    

Celadonite/glauconite

432, 540

    

Massicot

140, 293

    

Gypsum

417, 488, 620, 667, 1005, 1111

15

Celadonite

2

Plaster

Calcite

152, 277, 711, 1084

 

Glauconite

 

Light-green

Celadonite/glauconite

199, 275, 387, 531, 1052

 

Yellow ochre

  

Yellow ochre (goethite)

381br, 484, 551sh, 1204br, 1271br

 

Red ochre

  

Lazurite

263, 285sh, 544, 582sh, 824br, 1093, 1358br, 1641, 2186br

 

Coal

  

Calcite

279, 1085

 

Calcite

  

Prussian blue

275, 534, 2153

 

Quartz

  

Chrome yellow

338, 401, 834

    

Barium white

457, 615, 643, 985, 1086, 1138

    

Titanium white (rutile)

142, 252, 609br, 834

    

Lead white

1047

16

Celadonite

2

Plaster

Calcite

152, 277, 710, 1084

 

Glauconite

 

Light-green

Celadonite/glauconite

386, 537

 

Yellow ochre

  

Yellow ochre (goethite)

389

 

Red ochre

  

Calcite

149, 277, 1085

 

Calcite

  

Gypsum

1006

17

Red ochre

3

Plaster

Calcite

152, 278, 711, 1083

 

Lazurite

 

Grey-blue

Amorphous carbon

1315br, 1595br

 

Calcite

  

Calcite

148, 277, 1086

   

Red

Red ochre (hematite)

221, 288, 401, 494, 607, 650, 1308br

18

Yellow ochre

2

Plaster

Calcite

154, 279, 710, 1084

 

Calcite

 

Yellow

Yellow ochre (goethite)

395

 

Quartz

  

Massicot

141, 279

    

Calcite

152, 279, 710, 1085