The miner, which has several operations in South Africa, recorded diamond sales of US$7.4 million, up 23 percent from the third quarter of the previous year.
Including beneficiation revenues of US$1.6 million in the third quarter, the company reported total revenue of US$8.8 million.
The
miner said that beneficiation revenues recovered well after a slow
second quarter that had been characterized by particularly slow trading
in the northern hemisphere summer.
The
firm says it has carried over an inventory of 2,704 carats into the
fourth quarter to "take advantage of any possible restocking trend".
It
adds that the beneficiation pipeline, comprising some 5,500 carats
"provides further potential for valued added downstream revenues".
Total cash costs increased 37 percent from the second quarter to US$9.6 million. This led the company to optimize Klipdam, including the introduction of a contract miner at a fixed unit cost, and to place the operations of Tirisano
on care and maintenance after the management team had explored all
possible avenues to operate the mine profitably using the existing
infrastructure.
The firm reported a 10-percent rise in sales volume from the Saxendrift
operation to 1,931 carats at a significantly improved average price of
US$3,082 per carat versus US$1,892 per carat a year ago.
Of
significant benefit was the sale of a 145-carat rough diamond recovered
from old Saxendrift recovery tailings which sale increased the average
price per carat from the Bulk X-ray plant to US$10,704.
Carats
sold from Klipdam declined 25 percent for the quarter to 1,490 carats
with a slightly lower average value of US$660 per carat.
The grade was down 25 percent on the quarter as mining moved out of the high-grade portion of the channel.
Diamond sales from Tirisano totaled 214 carats, significantly under budget.
Looking Forward
The
company said it is optimistic that with improving diamond prices since
the beginning of November 2012 after prices declined by 15-20 percent in
the first half of the 2012 calendar year, the market is positioned to
increase by a few percent in 2013.
"This
view is supported by good interest at the Hong Kong show in November
2012 and increased attendance at open market tenders," the firm says in a
statement. "Reflecting this trend, Rockwell also experienced higher
attendance at its closing tenders for 2012 supporting higher prices and
providing some evidence of a more stable market than in previous years."
The
company started the fourth quarter with 2,704 carats in inventory,
positioning it to take advantage of any possible restocking trend. In
addition, inventory in the beneficiation joint venture with Steinmetz
Diamond Group of more than 5,500 carats, creates upside potential for
further value-added revenue for Rockwell.
The miner has developed a blueprint for the construction of new processing plants at its high potential projects in the Middle Orange River
region, based on the success of the fit-for-purpose technologies,
including the in-field screen, Bulk X-ray and single particle sorter
plant implemented at Saxendrift.
Initiatives
to increase and extend the mine life of Rockwell's Middle Orange River
properties include the construction of a new mine at the Saxendrift Hill
complex, utilizing Bulk X-ray technology with a monthly processing
capability of 100,000 m3 and the pre-feasibility study for Wouterspan is progressing on schedule.
Possible
developments during calendar 2013 include installing an in-field screen
at the Saxendrift Extension project and assessing the development of a
mine similar to the Saxendrift Hill complex at the company's Niewejaarskraal project.
Source: diamondintelligence
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