SOROSILICATES

Question 1

CaAl2 (Si2O7) (OH)2 H2O

Answer 1

Lawsonite

Question 2

Can be formed from plagioclase during saussuriization

Answer 2

Lawsonite

Question 3

CaFe2 Fe (Si2O7) O (OH)

Answer 3

Ilvaite

Question 4

(Sc, Y)2 Si2O7

Answer 4

Thortveitite

Question 5

Zn4 (Si2O7) (OH)2 * H2O

Answer 5

Hemimorphite

Question 6

Ca2 Mg(Si2O7)

Answer 6

Akermanite

Question 7

Ca2Al (AlSi2O7)

Answer 7

Gehlenite

Question 8

Ca2 (BSiO7)

Answer 8

Okayamalite

Question 9

(Ca2) (Al2Fe) (SiO4) (Si2O7) O (OH)

Answer 9

Epidote

Question 10

Ca2Be (Si2O7)

Answer 10

Gugiaite

Question 11

Ca2 Al(AlSiO7)

Answer 11

Gehlenite

Question 12

Crystal sistem in melilite group

Answer 12

Tetragonal

Question 13

Zoisite crystal system

Answer 13

Orthorhombic

Question 14

A product of contact metamorphism of
siliceous limestones and dolostones, and in
rocks of the sanidinite facies.

Answer 14

Akermanite

Question 15

Ba2Fe(Si2O7)

Answer 15

Bennesherite

Question 16

Ca2Zn(Si2O7)

Answer 16

Hardystonite

Question 17

Ca2 (Al2Sc)(SiO4)(Si2O7)O(OH)

Answer 17

Heflikite

Question 18

occurs in marble and schistose
rocks of metamorphic origin.

Answer 18

Epidote

Question 19

A rock composed of quartz and
epidote

Answer 19

Epidosite

Question 20

Lead-rich variety of Epidote

Answer 20

Hancockite

Question 21

Streak color of theproite

Answer 21

Light gray

Question 22

Ca2Al3(SiO4)(SiO7) O (OH)

Answer 22

Zeolite