As nouns the difference between yttrium and polycrase

is that yttrium is yttrium while polycrase is (mineralogy) a black or brown amorphous metallic complex uranium yttrium oxide mineral, found in granitic pegmatites.

As nouns the difference between oxide and polycrase

is that oxide is while polycrase is (mineralogy) a black or brown amorphous metallic complex uranium yttrium oxide mineral, found in granitic pegmatites.

As nouns the difference between mineral and polycrase

is that mineral is mineral while polycrase is (mineralogy) a black or brown amorphous metallic complex uranium yttrium oxide mineral, found in granitic pegmatites.

As an adjective granitic

is of, pertaining to, or containing granite.

As a noun polycrase is

(mineralogy) a black or brown amorphous metallic complex uranium yttrium oxide mineral, found in granitic pegmatites.

As nouns the difference between aluminosilicate and celsian

is that aluminosilicate is any of many silicate minerals, such as feldspar and zeolite, in which a proportion of the Si⁴⁺ ions are replaced by Al³⁺, the excess negative charge being balanced by extra sodium, potassium or calcium ions while celsian is an uncommon monoclinic feldspar mineral, barium aluminosilicate, found in contact metamorphic rocks with significant barium content.

As an adjective Celsian is

of or relating to Anders Celsius (1701–1744), Swedish astronomer, physicist and mathematician.

In mineralogy terms the difference between metamorphic and celsian

is that metamorphic is a rock that has been changed from its original form by subjection to heat and/or pressure while celsian is an uncommon monoclinic feldspar mineral, barium aluminosilicate, found in contact metamorphic rocks with significant barium content.

Hexacelsian is a derived term of celsian.

As a noun hexacelsian

is (mineral) a hexagonal polymorph of celsian.

As an adjective celsian is

of or relating to (anders celsius) (1701–1744), swedish astronomer, physicist and mathematician.

As an adjective amorphous

is lacking a definite form or clear shape.

As a noun polycrase is

(mineralogy) a black or brown amorphous metallic complex uranium yttrium oxide mineral, found in granitic pegmatites.

As nouns the difference between metallic and polycrase

is that metallic is a color while polycrase is (mineralogy) a black or brown amorphous metallic complex uranium yttrium oxide mineral, found in granitic pegmatites.

As an adjective metallic

is made of, appearing to be made of, resembling, or related to metal.

As an adjective celsian

is of or relating to (anders celsius) (1701–1744), swedish astronomer, physicist and mathematician.

As a noun paracelsian is

(mineralogy) a natural polymorph of celsian.