হার্ড অচ্ছ খনিজ একটি গ্রুপ এর কোনো পটাসিয়াম বা সোডিয়াম বা ক্যালসিয়াম বা বেরিয়াম এর অ্যালুমিনিয়াম সিলিকেট দ্বারা গঠিত

Noun:

অ্যালুমিনিয়াম পটাশিয়াম,

felspar's Usage Examples:

The alternate spelling, felspar, has fallen out of use.

This valley is so-called because of the mineral felspar which glistens in the sunlight.

In Spode's similar "Felspar porcelain", introduced on the market in 1821, felspar was an ingredient, substituted for the Cornish.

according to Escher von der Linth, overlies a pioritic granite with large felspar crystals.

This deformed megacrystic granite has large alkali felspar and small plagioclase feldspar porphyroclasts.

building, saw mills, brick yards, farming, landing ocean harvests, rock and felspar mining operations.

Pink felspar cliffs drop steeply into the water, and small lush woodland lends a touch.

scales of mica, small fragments of clay-slate, and sometimes portions of felspar.

Except these last, practically all rocks contain felspars or feldspathoid minerals.

The quarry yielded a very coarse-grained grey granite with large felspar crystals; the crystals interlock and lie in all directions adding to its.

bright red; and are derived from a slate similar to that which succeeds the felspar-rocks north of Cardrew.

felspar's Meaning':

any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium