The type of mineral showing variable colour is?
A. Idiochromatic
B. Allochromatic
C. Iridescence
D. Pseudochromatic
Answer:B
The type of mineral showing variable colour is?
A. Idiochromatic B. Allochromatic C. Iridescence D. Pseudochromatic
Explanation: Allochromatic minerals have a variable colour; the variety in colour is generally due to minute quantities of colouring impurities thoroughly dispersed in the mineral composition.