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2014-11-05 23:10:24

Nursing Home Skincare Line Expands Gentell Line of Products Bristol, Pennsylvania (PRWEB) November 05, 2014 Gentell Executive Vice President and Founder

2014-10-23 08:23:02

Dealership offers 2015 model year BRISTOL, Tenn., Oct.

2014-09-16 12:35:04

Passive RFID IT Asset Management Solutions Company Says Don't Roll the Dice with Data Center Fundamentals BRISTOL, Pa., Sept.

2014-08-21 16:26:55

Relationship will streamline organizations' global operations HAMPTON, N.H. & BRISTOL, United Kingdom, Aug.

2014-07-08 23:09:27

WITTENSTEIN high integrity systems have released a range of middleware that is supplied integrated with FreeRTOS, including USB, TCP/IP and File Systems. Bristol,

2014-06-24 12:33:57

White Paper Compares High Costs of Manual IT Asset Management to Passive RFID IT Asset Management for Eye Opening Savings; Four Cost Points to Consider in a Data Center Audit BRISTOL, Pa.,

2014-06-10 16:25:12

NASHVILLE, Tenn., June 10, 2014 /PRNewswire/ -- Tourism and music industry representatives gathered today for a special press conference to officially announce the August 2 grand opening of

2014-05-27 12:36:23

New White Paper Highlights Benefits, Savings and a 10-Point ITAM Solution Checklist BRISTOL, Pa., May 27, 2014 /PRNewswire/ -- A new white paper from

2014-04-29 12:39:13

Data Center Asset Management (DCAM) Company Identifies Top Drivers for Colo DCAM Adoption BRISTOL, Pa., April 29, 2014 /PRNewswire/ -- Industry research shows that nearly 1 in 4 data centers


Latest Bristol Reference Libraries

28_5f496c15049ba89cd8c43810810e311e
2005-05-26 11:32:33

Chalcocite, copper(I) sulfide (Cu2S), is an important copper mineral ore. It is opaque, being colored dark-gray to black with a metallic luster. It has a hardness of 2½ - 3. It is a sulfide with an orthorhombic crystal system. Chalcocite is sometimes found as a primary vein mineral in hydrothermal veins. However, most chalcocite occurs in the supergene enriched environment below the oxidation zone of copper deposits as a result of the leaching of copper from the oxidized minerals. It is...

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Word of the Day
ethnarch
  • The governor of a province or people.
The word 'ethnarch' comes from a Greek word meaning 'ruler of a tribe or nation'.
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