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If cold December gave you birth,
The month of snow and ice and mirth,
Place on your hand a tanzanite blue;
Success will bless whatever you do.
— Gregorian birthstone poem
“Tanzanite is the most beautiful blue stone
discovered in 2,000 years.”
WHAT IS SO SPECIAL ABOUT TANZANITE?
 It is discovered only in Tanzania and thus considered a rare
gemstone.
 Tanzanite stone presents rare hues that are very hard to find.
 It is associated with spirituality.
 It is pleochroic, showing three different colors when viewed
from different directions.
HOW TO CHOOSE THE BEST TANZANITE
One can choose the best tanzanite by using the 5 C’s criteria.
The 5 C’s are:
 Color
 Clarity
 Cut
 Carat
 Confidence
COLOR
 Color depth ranges from pale to
brilliant, which indicates a higher
proportion of blue or violet hues.
 If a tanzanite’s color is a deep
saturated blue, then it is
considered more valuable.
 The deeper the color, the rarer
and costlier the tanzanite.
 Pale tones are more affordable.
Q
U
A
L
I
T
Y
COLOR SATURATION
CLARITY
 Clarity refers to any natural
defect or inclusion present in the
tanzanite gemstone.
 Tanzanite clarity ranges from
heavily included to flawless.
 If the stone is completely
flawless, it is considered more
valuable.
Flawless
Very Very
Slightly
Included
Very Slightly
Included
Slightly
Included
Included
CUT
 Cut refers to the
various angles and
proportions of finished
gemstone.
 A brilliant cut has
properly proportioned
facets and perfect
symmetry.
 Tanzanite is available in
various shapes, but
cushion and oval cuts
are most common.
CARAT
 The term carat is used to measure a
tanzanite gemstone's weight.
 The color of tanzanite appears less
saturated in smaller sizes.
 Tanzanite gems must be above 5
carats in weight to have a fine color.
5.00 carat
3.00 carat
2.00 carat
1.50 carat
1.00 carat
0.75 carat
CONFIDENCE
 The fifth C refers to confidence. Tanzanite which is certified by
the Mark of Rarity™ tag by the Tanzanite Foundation is your
guarantee of ethical and socially responsible gemstone
sourcing.
 This mark can only be distributed by the Tanzanite Foundation,
formed by Tanzanite One—the worlds largest miners of
Tanzanite.
MARK OF RARITY
VARIETIES OF TANZANITE
 Bondi Blue Tanzanite
 Natural Green Tanzanite
BONDI BLUE TANZANITE
 A rare, natural variety of tanzanite
 Mixed shades of blue and green
 Named after the beautiful Bondi Beach in Australia
 Multidimensional color
 Exceptionally brilliant
 Strong pleochroism.
NATURAL GREEN TANZANITE
 Multidimensional color
 Exceptionally brilliant
 Strong pleochroism.
 A green base color with red-violet and blue undertones.
TANZANITE – A PRECIOUS GEM
A gem is only classified as precious, if it exhibits 3 essential traits:
 beauty
 rarity
 durability
Beautiful tanzanite is durable, with a Moh’s Hardness ranking of
6.5 to 7 out of 10. This single-source gemstone is more than
1,000 times rarer than diamond.
Tanzanite is a prized possession in every sense.
THANK YOU
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