Table 4 Correlation analysis of element content and color in group 2.

From: The impact of mineral composition and trace metal cations on the body color of South African Sugilite Jade

 

Si

Fe

Ca

K

Mn

Cu

Number of cases

22

22

22

22

22

22

L

r

0.242

− 0.565**

−0.064

0.191

− 0.569**

−0.239

 

Sig.

0.277

0.006

0.777

0.396

0.006

0.285

C

r

−0.001

0.547**

−0.303

−0.144

0.004

0.049

 

Sig.

0.997

0.008

0.17

0.522

0.987

0.829

h

r

0.371

−0.32

− 0.453*

0.558**

−0.277

− 0.482*

 

Sig.

0.089

0.147

0.034

0.007

0.212

0.023

Si

r

1

−0.187

− 0.676**

−0.119

−0.348

−0.401

 

Sig.

 

0.406

0.001

0.598

0.112

0.065

Fe

r

−0.187

1

−0.372

0.157

0.079

0.244

 

Sig.

0.406

 

0.089

0.486

0.727

0.274

Ca

r

− 0.676**

−0.372

1

− 0.451*

0.273

0.269

 

Sig.

0.001

0.089

 

0.035

0.219

0.225

K

r

−0.119

0.157

− 0.451*

1

−0.2

−0.052

 

Sig.

0.598

0.486

0.035

 

0.373

0.819

Mn

r

−0.348

0.079

0.273

−0.2

1

0.106

 

Sig.

0.112

0.727

0.219

0.373

 

0.64

Cu

r

−0.401

0.244

0.269

−0.052

0.106

1

 

Sig.

0.065

0.274

0.225

0.819

0.64