it is usually opaque and translucent, but can be different.
Feldspar is a mixture.
Feldspar is the most abundant mineral in the earth crust.
Glass can scratch apatite but not feldspar.
steel file 6.5
Both sodium and calcium can occur with a variety of other metallic elements or silicon. Perhaps you would like to review the wikipedia article about feldspar.
feldspar
It is important because silicate in feldspar help feldspar not to chip or break as easily. It helps it keeps it shape and the form. Silicate makes the color the color feldspar is when you look at it. Hope this helps
Some feldspar crystals can be quite lustrous, like albite, but many, like microcline, are on the dull side. Feldspar cleaves well, into flat planes which can be quite lustrous, and will indeed reflect sunlight. It takes a nice polish, which will reflect even more light. Some varieties of feldspar, like moonstone or labradorite, interfere with the light, and display spectacular play of color.
no, feldspar is a mineral.
no, feldspar is a mineral.
Feldspar is a mixture.
Feldspar's fracture is brittle
The fracture of feldspar is conchoidal or brittle.
The fracture of feldspar is conchoidal or brittle.
Feldspar can be found in many things, including soap
Feldspar is a mineral found prety mutch anywhere.
Feldspar