add further information for aluminum

src/data/example.json

@@ -2,7 +2,8 @@
   "Name": "Name of the material",
   "Formula": "Al, AlMg4.5Mn0.7",
   "Standard": {
-    "CAS Reg No.": "7429-90-5",
+    "Atomic number": 13,
+    "CASRN": "7429-90-5",
     "ISO": "AlMg4.5Mn0.7",
     "DIN1725": "AlMg4.5Mn",
     "EN-AW": "5083",
@@ -38,7 +39,8 @@
     "Hardness": {
       "HM": 2.5,
       "HB": [260, "MPa"],
-      "HBW": ["68-75", "2.5/62.5"]
+      "HBW": ["68-75", "2.5/62.5"],
+      "HV": [167, "MPa"]
     },
     "Anodising": {
       "AH": 2,
@@ -51,6 +53,7 @@
   },
   "Thermodynamic Properties": {
     "Crystal": {
+      "T": [298.15, "K"],
       "alpha": [23.3, "µm/m/K"],
       "lambda": ["110-130", "W/m/K"],
       "cp": [900, "J/kg/K"]