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November 16, 2018

BK16 could be a high value diamond producer

BK16 diamonds are like AK6-Karowe mine

Most of BK16 diamonds are of D color

Tsodilo Resources hikes Diamond Valuation of BK16

after Independent Modelled Valuation & Grade Results

Tsodilo Resources Limited has announces BK16 Independent Modelled Diamond Valuation and Grade Results Model Price - US$ 710 to US$ 386 Per Carat Model Grade - 11 to 8 cpht.

Tsodilo Resources announces the results of an independent modelled grade and diamond value for an aggregate 77.94 carat parcel of 502 commercial size (+1mm) diamonds. Which were recovered from Large Diameter Drilling (LDD) from four kimberlite units of the BK16 kimberlite pipe in the Orapa Kimberlite Field, Botswana.

The diamond valuation was performed by QTS Kristal Dinamika utilizing the current QTS proprietary Price-Book Q3-2018. Dr. Lawless of Dr. Paddy Lawless & Associates CC, stated "The modelled grade and value represent more realistic run of mine production. Based on the modelled diamond value and kimberlite grade additional sampling of the kimberlite is required to confirm these positive results and to improve on the diamond value."

Dr. Michiel de Wit, Tsodilo's President and COO commented that "The promising modelled SFD grade and value indicates that BK16 deserves further work because BK16 could also be a high value diamond producer like AK6-Karowe mine."

BK16 Diamond Valuation also based on Tsodilo has recovered 502 diamonds to date weighing 77.94 carats from 3 parcels of commercial size diamonds (+1 mm) from the BK16 kimberlite pipe. The diamonds were analyzed by the Diamond Technology Park in Gaborone after deep-cleaning by acid boiling and sized to the +1 DTC sieve classes.

Where Parcel 1 of 94 stones, 17.045 carats gave a value of US$ 195.45; Parcel 2 of 130 stones, 17.700 carats gave a value of US$ 196.37; and Parcel 3 of 278 stones, 43.195 carats gave a value of US$ 161.03. The average current market value of all the diamonds was US$ 176.44 per carat.

The diamonds were classified using the Diamond Trading Company mass carater/grainer system for the 6, 5, 4 and 3 grainer size classes and the DTC Diamond Sieves ("DS") for the -3gr+11, -11+09, -09+07, -07+05, -05+03, -03+01 and - 1DS size classes. The masses of all recovered stones were recorded and valued in their respective size classes.

More than half the diamonds were tested using a Yehunda Z-50 colorimeter where 3.8% of these were positively identified as Type IIa stones. Most of these are D color with one DE, one E and one F+ colors. Type II diamonds are rare diamonds which have no measurable nitrogen levels. Type IIa diamonds are generally devoid of impurities and tend to have a colorless and low to no ultraviolet light fluorescence.

Mr. Ferraris of QTS stated that "The overall parcel is dominated by white, gem-quality diamonds, many of which are G-color or higher. The proportion of low-quality diamonds is very low compared to other Botswana kimberlites.

There is a general prevalence towards resorbed dodecahedron shaped diamonds, no boart quality diamonds were seen, and the presence of the high-quality Type IIa diamonds was confirmed."

 

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