Malachite Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.Anti-spam check. Do not fill this in! ==Health and environmental concerns== Mining for malachite for ornamental or copper ore purposes involves [[open-pit mining]] or [[underground mining]] depending on the grade of the ore deposits.<ref>{{Cite web|title=Malachite|url=http://www.mine-engineer.com/mining/mineral/malachite.htm#:~:text=The%20distinctive%20bright-green%20hydrous,of%20other%20copper%20ore%20minerals.&text=Ores%20are%20removed%20either%20by%20open-pit%20or%20by%20underground%20mining.|access-date=2021-03-25|website=www.mine-engineer.com}}</ref> Open-pit and underground mining practices can cause [[environmental degradation]] through [[Habitat destruction|habitat]] and [[biodiversity loss]].<ref>{{Cite journal|last1=Monjezi|first1=M.|last2=Shahriar|first2=K.|last3=Dehghani|first3=H.|last4=Samimi Namin|first4=F.|date=2009-07-01|title=Environmental impact assessment of open pit mining in Iran|url=https://doi.org/10.1007/s00254-008-1509-4|journal=Environmental Geology|language=en|volume=58|issue=1|pages=205β216|doi=10.1007/s00254-008-1509-4|bibcode=2009EnGeo..58..205M|s2cid=128616763|issn=1432-0495}}</ref><ref name="Salomons-1995">{{Cite journal|last=Salomons|first=W.|date=1995-01-01|title=Environmental impact of metals derived from mining activities: Processes, predictions, prevention|url=https://dx.doi.org/10.1016%2F0375-6742%2894%2900039-E|journal=Journal of Geochemical Exploration|series=Heavy Metal Aspects of Mining Pollution and Its Remediation|language=en|volume=52|issue=1|pages=5β23|doi=10.1016/0375-6742(94)00039-E|bibcode=1995JCExp..52....5S |issn=0375-6742}}</ref> [[Acid mine drainage]] can contaminate water and food sources to negatively impact human health if improperly managed or if leaks from [[Tailings|tailing ponds]] occur.<ref name="Salomons-1995"/><ref>{{Cite web|title=Environmental Impact of Sulfuric Acid Leaching|url=http://www.savethesantacruzaquifer.info/Sulfuric%20Acid%20Impact.htm|access-date=2021-03-25|website=www.savethesantacruzaquifer.info}}</ref> The risk of health and environmental impacts of both traditional metallurgy and newer methods of hydrometallurgy are both significant,<ref name="Salomons-1995"/> however, water conservation and waste management practices for hydrometallurgy processes for ore extraction, such as for malachite, are stricter and relatively more sustainable.<ref>{{Cite journal|last=Conard|first=Bruce R.|date=1992-06-01|title=The role of hydrometallurgy in achieving sustainable development|url=https://dx.doi.org/10.1016%2F0304-386X%2892%2990074-A|journal=Hydrometallurgy|series=Hydrometallurgy, Theory and Practice Proceedings of the Ernest Peters International Symposium. Part B|language=en|volume=30|issue=1|pages=1β28|doi=10.1016/0304-386X(92)90074-A|bibcode=1992HydMe..30....1C |issn=0304-386X}}</ref> New research is also being conducted on better alternatives to methods such as sulfuric acid leaching which has high environmental impacts, even under hydrometallurgy regulation standards and innovation.<ref name="Shabani-2012"/> Summary: Please note that all contributions to Christianpedia may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here. You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see Christianpedia:Copyrights for details). Do not submit copyrighted work without permission! Cancel Editing help (opens in new window) Discuss this page