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हेरा: Difference between revisions

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{{Infobox mineral
| name = हेरा
| category = Nativeनेटिभ Mineralsखनिज
| boxwidth =
| boxbgcolor =
| image = Brillanten.jpg
| imagesize = 300 <!-- this value is in px -->
| caption = छगू स्क्याटरिङ चाकःलाःगु-ब्रिलियन्ट कट हेरां यक्व रिफ्लेक्टिङ फसेट क्यनि।
| caption = A scattering of round-brilliant cut diamonds shows off the many reflecting facets.
| formula = C
| molweight = 12.01 u
Line १८:
| tenacity =
| mohs = १०<ref name="GRG"/>
| luster = [[Adamantineएडमन्टिन]]<ref name="GRG"/>
| polish = [[Adamantineएडमन्टिन]]<ref name="GRG">[[Gemologicalजेमोलोजे Instituteइन्स्स्टिच्युट ofअफ Americaअमेरिका]], ''GIA Gem Reference Guide'' 1995, ISBN 0-87311-019-6</ref>
| refractive = 2.4175–2.4178
| opticalprop = Singly Refractive<ref name="GRG"/>
| birefringence = noneमदुगु<ref name="GRG"/>
| dispersion = .044<ref name="GRG"/>
| pleochroism = noneमदुगु<ref name="GRG"/>
| fluorescence= colorlessरङ्गहीन toनिसें yellowishम्हासुगु stonesपत्थर - inert to strong in long wave, and typically blue. Weaker in short wave.<ref name="GRG"/>
| absorption = In pale yellow stones a 415.5 nm line is typical. Irradiated and annealed diamonds often show a line around 594 nm when cooled to low temperatures.<ref name="GRG"/>
| streak = Whiteतुयुगु
| gravity = 3.52 (+/- .01)<ref name="GRG"/>
| density = 3.5-3.53 g/cm³
Line ३४:
| diagnostic =
| solubility =
| diaphaneity = ट्रान्स्प्यारेन्ट निसें सबट्रान्सप्यारेन्ट निसें ट्रान्सलुसेन्ट
| diaphaneity = Transparent to subtransparent to translucent
| other =
}}
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<!--Third paragraph: Mining and Distribution-->
हलिमया करिब ४९% हेरा मध्य व दक्षिणी अफ्रिकां उत्पादन जुइ। हेराया खनिजया तधंगु स्रोत क्यानाडा, भारत, रुस, [[ब्राजिल]], व अस्ट्रेलियाय् नं खने दु। हेराया क्रिस्टल [[किम्बरलाइट]] व [[ल्याम्प्रोइट]] [[भोल्क्यानिक पाइन]] छ्येला पृथ्वीया गर्वं लिकाइ। पृथ्वीया गर्वय् तच्वःगु प्रेसर व तापक्रम दैगुलिं अन हेरा दयाच्वनि। प्राकृतिक हेराया माइनिङ व इनेज्या यक्व वादविवादयअ विषय ख दसुया कथं [[कन्फ्लिक्ट हेरा]] '' (वा ''हि हेरा'') मीगु अफ्रिकी [[अर्धसैन्य]] पुचःतेत कायेछिं।
Roughly 49% of diamonds originate from central and southern Africa, although significant sources of the mineral have been discovered in Canada, India, Russia, [[Brazil]], and Australia. They are mined from [[kimberlite]] and [[lamproite]] [[volcanic pipe]]s, which can bring diamond crystals, originating from deep within the Earth where high pressures and temperatures enable them to form, to the surface. The mining and distribution of natural diamonds are subjects of frequent controversy such as with concerns over the sale of ''[[conflict diamond]]s'' (aka ''blood diamonds'') by African [[paramilitary]] groups.
 
==Material properties==
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