.

Discerningly Versed - Effective Iterative Learning Quiz Questions - Gemstones II
Discerningly Versed - Effective Iterative Learning


Which of these is a brilliant blue phosphate rock used as a gemstone ?

 

Turquiose
Lapis Lazuli
Peridot
Citrine

 A gemstone that appears one colour from one direction & another colour from another direction is a

 

Allochromatic Gem
Pleochroic Gem
Parti Coloured Gem
Idiochromatic Gem
Which of these gems is a well known allochromatic gem ?

 

Peridot
Watermelon Tourmaline
Corundum
Iolite

 The surface of a cut of a polished gem is known as a

 

Pavilion
Girdle
Crown
Facet
Gem quality Iolite, known as Water Sapphire, is what distinctive bright colour ?

 

Green
Brown
Red
Blue

 The green gem peridot is a gemstone from which silicate mineral ?

 

Zircon
Olivine
Garnet
Beryl
Emeralds, Aquamarine, Heliodor, Morganite and Goshenite are varieties of which silicate mineral ?

 

Beryl
Olivine
Tourmaline
Garnet

 The gemstone thulite is a variety of the silicate zoisite & appears what colour

 

Purple
Brown
Pink
Green
A variety of quartz containing red or greenish particles of iron oxide or mud & that is opaque is a

 

Amethyst
Rock Crystal
Aventurine Quartz
Citrine

 Tanzanite, the most sought after variety of the silicate mineral zoisite, is which colour ?

 

Purple
Brown
Pink
Green


.
Discerningly Versed www.dniv.com 2012