Fort Settlement map 5440 Elkins Road Sugar Land, TX 77479 (281) 634-6440. Garcia map 18550 Old Richmond Rd. Sugar Land, TX 77498 (281) 634-3160. Hodges Bend map 16510 Bissonnet Houston, TX 77083 (281) 634-3000. Lake Olympia map 3100 Lake Olympia Parkway Missouri City, TX 77459 (281) 634-3520. McAuliffe map 16650 South Post Oak Houston, TX 77053 (281) 634-3360. Missouri City map
Within the feldspar group, the plagioclase minerals are only differentiated from the potassium feldspars by the presence of parallel striations seen on some plagioclase cleavage surfaces. Potassium Feldspar:
-isomorphism can exist with minerals which are not in the same mineral class--since they are not in the same mineral class they cannot be in the same isomorphic group--NaNO 3 (nitratite) is isomorphic or isostructural with the minerals in the calcite group of the carbonate class including siderite and calcite 2. polymorphic group is a mineral group belonging to the same mineral class, all having the