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	<title>ألاكتيت - تاريخ المراجعة</title>
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	<updated>2026-06-09T09:13:49Z</updated>
	<subtitle>تاريخ التعديل لهذه الصفحة في الويكي</subtitle>
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		<title>عبد العزيز: /* طالع أيضاً */ +</title>
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		<updated>2023-07-30T12:14:15Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;طالع أيضاً: &lt;/span&gt; +&lt;/p&gt;
&lt;p&gt;&lt;b&gt;صفحة جديدة&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{بطاقة معدن&lt;br /&gt;
| name        = Allactite&lt;br /&gt;
| category    = [[معادن الزرنيخات]]&lt;br /&gt;
| image       = Allactite-116056.jpg&lt;br /&gt;
| caption     = Picture width 3 mm&lt;br /&gt;
| formula     = Mn&amp;lt;sub&amp;gt;7&amp;lt;/sub&amp;gt;(AsO&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;(OH)&amp;lt;sub&amp;gt;8&amp;lt;/sub&amp;gt;&lt;br /&gt;
| symmetry    = 	Monoclinic, point group: 2/m, [[زمرة فراغية]] P2&amp;lt;sub&amp;gt;1&amp;lt;/sub&amp;gt;/a&lt;br /&gt;
| unit cell   = a = 11.03 Å, b = 12.12 Å, c = 5.51 Å, β = 114°, Z = 2 &lt;br /&gt;
| molweight   = &lt;br /&gt;
| strunz      = 08.BE.30&lt;br /&gt;
| color       = Brown, dark to light purplish red, brownish red, colorless to white&lt;br /&gt;
| habit       = &lt;br /&gt;
| system      = &lt;br /&gt;
| twinning    = &lt;br /&gt;
| cleavage    = Distinct, {001} &lt;br /&gt;
| fracture    = Uneven&lt;br /&gt;
| tenacity    = Brittle&lt;br /&gt;
| mohs        = 4.5&lt;br /&gt;
| luster      = Vitreous, slightly greasy on fracture surfaces &lt;br /&gt;
| refractive  = n&amp;lt;sub&amp;gt;α&amp;lt;/sub&amp;gt; = 1.755–1.761&amp;lt;br /&amp;gt; n&amp;lt;sub&amp;gt;β&amp;lt;/sub&amp;gt; = 1.772–1.786&amp;lt;br /&amp;gt; n&amp;lt;sub&amp;gt;γ&amp;lt;/sub&amp;gt; = 1.774–1.787&lt;br /&gt;
| opticalprop = Biaxial (-)&lt;br /&gt;
| birefringence = &lt;br /&gt;
| 2V = ~0°&lt;br /&gt;
| pleochroism = X = blood-red; Y = pale yellow; Z = sea-green&lt;br /&gt;
| streak      = Gray to faint brown&lt;br /&gt;
| gravity     = 3.83 (meas.), 3.94 (calc.)&lt;br /&gt;
| density     = &lt;br /&gt;
| melt        = &lt;br /&gt;
| fusibility  = &lt;br /&gt;
| diagnostic  = &lt;br /&gt;
| solubility  = &lt;br /&gt;
| diaphaneity = &lt;br /&gt;
| other       = &lt;br /&gt;
| references  = &amp;lt;ref&amp;gt;[http://www.mindat.org/min-122.html Allactite]. Mindat {{Webarchive|url=https://web.archive.org/web/20170519132337/https://www.mindat.org/min-122.html |date=19 مايو 2017}}&amp;lt;/ref&amp;gt;&amp;lt;ref name=hand&amp;gt;[http://www.handbookofmineralogy.org/pdfs/allactite.pdf Allactite]. Handbook of Mineralogy {{Webarchive|url=https://web.archive.org/web/20160303202122/http://www.handbookofmineralogy.org/pdfs/allactite.pdf |date=03 مارس 2016}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;{{استشهاد بدورية محكمة|مؤلف=Moore P. |سنة=1968|عنوان= Crystal chemistry of the basic manganese arsenate minerals: II. The crystal structure of allactite|صحيفة= American Mineralogist|المجلد= 53|صفحات= 733–741|مسار=http://www.minsocam.org/ammin/AM53/AM53_733.pdf| مسار أرشيف = https://web.archive.org/web/20181004061503/http://www.minsocam.org/ammin/AM53/AM53_733.pdf | تاريخ أرشيف = 4 أكتوبر 2018 }}&amp;lt;/ref&amp;gt;&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;الألاكتيت&amp;#039;&amp;#039;&amp;#039; (Allactite) هو من معدن له الصيغة Mn&amp;lt;sub&amp;gt;7&amp;lt;/sub&amp;gt;(AsO&amp;lt;sub&amp;gt;4&amp;lt;/sub&amp;gt;)&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt;(OH)&amp;lt;sub&amp;gt;8&amp;lt;/sub&amp;gt; وهو من [[معادن الزرنيخ]] [[صخر متحول|المتحولة]] من بلّورات [[منغنيز|المنغنيز]] و[[زنك|الزنك]] .&amp;lt;ref&amp;gt;[http://www.mindat.org/min-122.html Allactite: Mineral information, data and localities&amp;lt;!-- عنوان مولد بالبوت --&amp;gt;] {{Webarchive|url=https://web.archive.org/web/20190406040726/https://www.mindat.org/min-122.html |date=6 أبريل 2019}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;[http://www.handbookofmineralogy.org/pdfs/allactite.pdf Handbook of Mineralogy] {{Webarchive|url=https://web.archive.org/web/20160303202122/http://www.handbookofmineralogy.org/pdfs/allactite.pdf |date=3 مارس 2016}}&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;Moore P. 1968: Crystal chemistry of the basic manganese arsenate minerals: II. The crystal structure of allactite. American Mineralogist, 53, 733-741; [http://www.minsocam.org/ammin/AM53/AM53_733.pdf] {{Webarchive|url=https://web.archive.org/web/20160303212858/http://www.minsocam.org/ammin/AM53/AM53_733.pdf |date=03 مارس 2016}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== طالع أيضاً ==&lt;br /&gt;
* [[أبيرناثيت]]&lt;br /&gt;
* [[أداميت]]&lt;br /&gt;
* [[ألارسيت]]&lt;br /&gt;
* [[براسيت]]&lt;br /&gt;
* [[بيلدونيت]]&lt;br /&gt;
* [[كاتياليت]]&lt;br /&gt;
* [[كالكوفيليت]]&lt;br /&gt;
* [[ناتروفيليت]]&lt;br /&gt;
* [[جلوكوكرويت]]&lt;br /&gt;
* [[أليغانيت]]&lt;br /&gt;
&lt;br /&gt;
== المراجع ==&lt;br /&gt;
{{مراجع}}&lt;br /&gt;
{{تصنيف كومنز|Allactite}}&lt;br /&gt;
{{شريط بوابات|علم طبقات الأرض|علم الأحجار الكريمة والمجوهرات|علوم الأرض}}&lt;br /&gt;
{{بذرة معادن}}&lt;br /&gt;
&lt;br /&gt;
[[تصنيف:معادن الأكاسيد]]&lt;br /&gt;
[[تصنيف:معادن الزرنيخات]]&lt;br /&gt;
[[تصنيف:معادن المنغنيز]]&lt;br /&gt;
[[تصنيف:معادن بلورية أحادية الميل]]&lt;/div&gt;</summary>
		<author><name>عبد العزيز</name></author>
	</entry>
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