TanzaniteOne Limited

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• TanzaniteOne Limited
• Cape Town Indaba 2007
• Bernard Olivier

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Agenda

• Tanzanite, the Gem
• Overview of the Tanzanite deposit
• Geological models
• Geological history of the area
• Stoping Results
• Official Drilling Results
• Geophysics Results
• Possible New Ventures

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Tanzanite - Characteristics
Zoisite
Ca2Al3Si3O12(OH)
Orthorombic
Trichroic
? - 1.6925 ? - 1.6943 ? - 1.7015
Hardness - 6.5
Dirlam et al., 1992
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Single Source NE Tanzania
Merelani Tanzanite Deposit
10km
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Tanzanite Ore Zone Fold Model
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Tanzanite Ore Zone Fold Model
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Stoping Trails First Results
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Stoping Trails First Results
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New Drill Hole Locations On the Block C Mining
Licence
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Drilling Results - Official
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Drilling Results Positive Indicators
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Unique geochemical signature of the JW-zone
Scatter plots for the discrimination function of
the whole rock geo- chemical data
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Geophysics Folded Ore zone
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Geophysics Folded Ore zone
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Tanzanite Tsavorite Associated Gems
Green Grossular Garnet (Tsavorite)
Picture of tanzanite
Tanzanite Quartz Calcite
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Results Summary

• Positive first results from the stoping trails
• 18250 carats from 918 tonnes 19.88 ct/tonne
• Calculated cut-off grade 5.5 ct/tonne
• Drilling Results
• 2501m of Core drilled
• All holes intersected the tanzanite ore zone
• Maximum down dip extent of 1464m
• Possible thickening of ore zone at depth
• Geophyiscs
• Dip shallows out at depth
• Possible closing of Ore-zone at depth
• Opportunity to diversify into tsavorite

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Investment rationale

• Stoping tested for the first time at TanzaniteOne
• Optimisation of resource through stoping
• Re-extraction of old workings
• Lower grade areas mined profitably
• Promising preliminary stoping results
• Latest drilling results at deeper levels indicate
  continuation of ore bearing host rock
• Extension of life-of-mine
• Improved geological understanding of deposit
• Adjacent Tsavorite deposits present acquisition
  opportunities to TanzaniteOne in a quest for
  diversification.