Quelltext der Seite Salzwiki:Carbonate

= Übersicht über die Carbonate  =

{| width="100%" cellspacing="0" cellpadding="4" border="2" class="wikitable sortable"
|-
| <font size="1">Name</font> 
| <font size="1">Formal</font> 
| <font size="1">'''Löslichkeit [g/l] 20°C'''</font> 
| <font size="1">'''Deliqueszenzfeuchte'''</font> 
| <font size="1">'''Kristall-system'''</font> 
| <font size="1">'''optische Orientierung'''</font> 
| <font size="1">'''Lichtbrechung/ Doppelbrechung'''</font> 
| <font size="1">'''Bemerkungen'''</font>
|-
| [[Calcit]] 
| CaCO<sub>3</sub> 
| 0,014 (25°C 
| &nbsp; 
| trigonal<br> 
| (-) 
| no = 1,658<br><u>ne = 1,486</u><br>Δ = 0,172 
| sehr gut löslich in 2M HCl&lt;
|-
| [[Dolomit]] 
| CaMg(CO<sub>3</sub>)<sub>2</sub> 
| 0,078(18) 
| &nbsp; 
| trigonal<br> 
| (-) 
| no = 1,679-1,698<br><u>ne = 1,502-1,513</u><br>Δ = 0,177-0,185 
| langsam löslich in 2M HCl
|-
| [[Magnesit]] 
| MgCO<sub>3</sub> 
| 0,106 
| &nbsp; 
| trigonal<br> 
| (-) 
| no = 1,700-1,719<br><u>ne = 1,509-1,527</u><br>Δ = 0,191-0,199 
| sehr langsam löslich in 2M HCl
|-
| [[Nesquehonit]] 
| MgCO<sub>3</sub>•3H<sub>2</sub>O 
| 1,79(16) 
| &nbsp; 
| monoklin<br> 
| (-) 
| nx = 1,417<br>ny = 1,503<br><u>nz = 1,527</u><br> Δ = 0,110 
| schlecht wasserlöslich<br>pH ca. 10
|-
| [[Lansfordit]] 
| MgCO<sub>3</sub>•5H<sub>2</sub>O 
| &nbsp; 
| &nbsp; 
| monoklin<br> 
| (-) 
| nx = 1,465<br>ny = 1,468<br><u>nz = 1,507</u><br>Δ = 0,052 
| schlecht wasserlöslich<br>pH ca. 10
|-
| [[Hydromagnesit]] 
| Mg<sub>5</sub>OH(CO<sub>3</sub>)<sub>22</sub>•<br>4H<sub>2</sub>O 
| &nbsp; 
| &nbsp; 
| monoklin 
| (-) (+) 
| nx = 1,515-1,523<br>ny = 1,530-1,527<br><u>nz = 1,544-1,545</u><br>Δ = 0,029-0,022 
| kaum wasserlöslich
|-
| [[Natrit]] 
| Na<sub>2</sub>CO<sub>3</sub> 
| 210 (20°C) 
| &nbsp; 
| monoklin 
| (-) 
| nx = 1,415<br>ny = 1,535<br><u>nz = 1,546</u><br>Δ = 0,131 
| blüht schnell in trockener Luft aus und geht in das Monohydrat über. pH ca. 12
|-
| [[Natron]] 
| Na<sub>2</sub>CO<sub>3</sub>•10H<sub>2</sub>O 
| 215,2(°C) 
| 88,2(25), 97,9(20), 96,5(15) 
| monoklin 
| (-) 
| nx = 1,405<br>ny = 1,425<br><u>nz = 1,440</u><br>Δ = 0,035 
| blüht schnell in trockener Luft aus und geht in das Monohydrat über. pH ca. 12
|-
| [[Thermonatrit]] 
| Na<sub>2</sub>CO<sub>3</sub>•H<sub>2</sub>O 
| 330 
| 71 (35°C) 
| orthorh.<br> 
| (-) 
| nx = 1,420<br>ny = 1,509<br><u>nz = 1,525</u><br>Δ = 0,105 
| pH ca. 12
|-
| [[Nahcolit]] 
| NaHCO<sub>3</sub> 
| 96 
| &nbsp; 
| monoklin<br> 
| (-) 
| nx = 1,376<br>ny = 1,500<br><u>nz = 1,582</u><br>Δ = 0,206 
| pH ca. 8
|-
| [[Trona]] 
| Na<sub>3</sub>H(CO<sub>3</sub>)<sub>2</sub>•2H<sub>2</sub>O 
| 130 (0°C) 
| &nbsp; 
| monoklin<br> 
| (-) 
| nx = 1,412<br>ny = 1,492<br><u>nz = 1,540</u><br>Δ = 0,128 
| herzustellen aus wässriger Lösung mit viel NaCl und Na<sub>2</sub>SO<sub>4</sub> bei 50°-85°C; pH ca. 10
|-
| [[Pottasche]] 
| K<sub>2</sub>CO<sub>3</sub> 
| 1120 
| 43,2 (25) 
| monoklin 
| (-) 
| nx = 1,426<br>ny = 1,531<br><u>nz = 1,541</u><br>Δ = 0,115 
| &nbsp;
|-
| [[Kaliumcarbonatdihydrat]] 
| K<sub>2</sub>CO<sub>3</sub>•2H<sub>2</sub>O 
| 1470 (20) 
| 43,2 (20) 
| monoklin 
| (-) 
| nx = 1,38<br>ny = 1,432<br><u>nz = 1,573</u><br>Δ = 0,193 
| &nbsp;
|-
| [[Kaliumcarbonat]] 
| K<sub>2</sub>CO<sub>3</sub>•3H<sub>2</sub>O 
| &nbsp; 
| &nbsp; 
| monoklin 
| (<nowiki>+</nowiki>) 
| nx = 1,474<br>ny = 1,483<br><u>nz = 1,510</u><br>Δ = 0,036 
| &nbsp;
|-
| [[Kalicinit]] 
| KHCO<sub>3</sub> 
| 333 
| &nbsp; 
| monoklin<br>P21/a 
| (-) 
| nx = 1,380<br>ny = 1,482<br><u>nz = 1,573</u><br>Δ = 0,193 
| pH ca. 8
|}

[[Category:Carbonat]]