10. 
    galena
    a gray lead sulfide (PbS), the chief ore mineral of lead. One of the most widely distributed sulfide minerals, it occurs in many different types of ... [5 related articles]
    Found op http://www.britannica.com/eb/a-z/g/3
    
    
11. 
    Galena
    Galena is a Greek girl name. The meaning of the name is `Healer ` The name Galena doesn`t appear In the US top 1000 most common names over de last 128 years. The name Galena seems to be unique!
    Found op http://www.pregnology.com/index.php?girls/Galena
    
    
12. 
    galena
    Type: Term Pronunciation: gā-lē′nă Synonyms: lead sulfide
    Found op http://www.medilexicon.com/medicaldictionary.php?t=35986
    
    
13. 
    Galena
    Galena is one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic crystal system often showing octahedral forms. It is often associated with the minerals sphalerite, calcite and fluorite. ==Lead ore deposit== Galena deposits often contain significant amounts o...
    Found op http://en.wikipedia.org/wiki/Galena
    
    
14. 
    Galena
    [disambiguation] Galena is a mineral, lead sulfide, an important lead ore. Galena may also refer to: ==Places== ==Bodies of water== ==Other== ...
    Found op http://en.wikipedia.org/wiki/Galena_(disambiguation)
    
    
15. 
    galena
    Galena. Credit: Mineral Information Institute A gray mineral, essentially lead (II) sulfide (PbS), the principal ore of lead. It forms cubic crystals. Deposits of galena, also called 'lead glance,' deposits have been worked worldwide for their lead.
    Found op http://www.daviddarling.info/encyclopedia/G/galena.html
    
    
16. 
    galena
    galena (gulē'nu) or lead glance,lustrous, blue-gray mineral crystallizing usually in cubes, sometimes in octahedrons. It is the most important ore and the principal source of lead. It consists of lead sulfide, PbS, but frequently contains silver (it is mined for this metal in some localiti...
    Found op http://www.infoplease.com/ce6/sci/A0820032.html
    
    
17. 
    Galena
    Galena (lead sulphide) or galenite is virtually the only source of lead and an important ore of silver. It is found both in masses and crystallized in cubes, but sometimes in truncated octahedra and has the formulae PbS and a relative hardness of 3. It is a very common metallic mineral, its colour i...
    Found op http://www.probertencyclopaedia.com/browse/HG.HTM
    
    
18. 
    galena
    Mineral consisting of lead sulphide, PbS, the chief ore of lead. It is lead-grey in colour, has a high metallic lustre and breaks into cubes because of its perfect cubic cleavage. It may contain up to 1% silver, and so the ore is sometimes mined for both metals. Galena occurs mainly among limestone ...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0019194.html
    
    
19. 
    Galena
    Lead ore.
    Found op http://www.metalbulletin.com/Glossary.html
    
    
20. 
    galena
    1) Blue-gray mineral 2) Certain ore 3) Greek girl name 4) Lead 5) Lead ore 6) Lead provider 7) Lead source 8) Lead sulfide 9) Mineral 10) Ore of lead 11) Ore used for old radio crystals 12) Principal ore of lead 1...
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/galena/1
    
    

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