Mineral Glossary

Question 1

The following minerals are under the olivine group except:
a. Kirschsteinite
b. Monticellite
c. Tephroite
d. Piemontite

Answer 1

Ans: Piemontite [ Ca2(Al, Fe, Mn)3(SiO4)3(OH) /Sorosi/Epidote/Monoclinic]

• Kirschsteinite [ CaFeSiO4/Neso/orthorhom ]
• Monticellite [ CaMgSiO4/Neso/orthorhom ]
• Tephroite [ CaFeSiO4/Neso/orthorhom ]

Question 2

The following are NOT axinites except:
a. Cordierite
b. Tinzenite
c. Beryl
d. Dravite

Answer 2

Answer: Tinzenite [ (Ca,Mn)2MnAl2BSi4O15(OH) /Axinite/Triclinic/Cyclo ]

• Cordierite [ Mg2Al4Si5O18 /Orthorhombic/Cyclo]
• Beryl [ Be3Al2Si6O18 /Hexagonal/Cyclo]
• Dravite [ NaMg3Al6(BO3)3Si6O18(OH)3F /Isometric/Tourmaline/Cyclo]

Question 3

It is the distinguishing elements found in the formula of the Epidote Family

Answer 3

Emperical: (SiO4)3(OH)
Extended: (Si2O7)(SiO4)O(OH)

Question 4

The mineral calamine is primarily composed of

Answer 4

Zinc Carbonate (also Zinc spar/Smithsonite)