Phase

CN

e> (Å)

a> (Å)

Δ_A (exp.)

Δ_A (calc.)

Cuprorivaite

[4]

1.9307

3.35

18,530

18,393

CuGeO₃

[4 + 2]

1.9326

2.7549

12,920

12,854

Effenbergite

[4]

1.9265

3.35

18,520

18,460

Wesselite

[4]

1.9265

3.35

18,520

18,460

Dioptase black

[4]

1.9340

3.30

17,930

17,874

Cu₆Ge₆O₁₈

[4]

1.9404

3.30

17,700

17,777

Ge-Dioptase

[4 + 2]

1.9474

2.6622

11,884

11,808

Azurite (1)

[4 + 2]

1.9434

2.9840

16,488 (?)

14,821

Azurite (2)

[4 + 1 + 1]

1.9593

2.5143

11,806

10,309

Litidionite

[4 + 2]

1.9525

2.8434

13,900

13,404

Lammerite (1)

[4 + 2]

1.9529

2.9230

14,350

14,128

Lammerite (2)

[4 + 1 + 1]

1.9703

2.4609

10,200

9695

Chalcanthite (1)

[4 + 2]

1.9759

2.3858

8900

8952

Chalcanthite (2)

[4 + 2]

1.9569

2.4400

9735

9657

Dioptase green

[4 + 2]

1.9613

2.5688

10,700

10,735

Conichalcite

[2 + 2 + 2]

1.9640

2.3403

8585

8668

Y₂BaCuO₅

[4 + 1]

1.9899

2.196 + 3.90

14,700

14,754

La₂CuO₄

[4 + 2]

1.9043

2.4045

13,710

13,646

CaCuO₂

[4]

1.9281

3.26

21,370

21,306

Sr_0.5Ca_0.5CuO₂

[4]

1.9440

3.30

21,452

21,426

NdBa₂Cu₃O_7-δ

[4 + 1]

1.9609

2.275 + 3.25

15,968

16,260

CuO (tenorite)

[4 + 2]

1.9558

2.7842

16,670

16,524

Sr₂CuO₂Cl₂

[4 + 2]

1.9864

2.8600

15,887

16,841