As nouns the difference between rayite and grayite
is that rayite is a monoclinic-prismatic mineral containing antimony, lead, silver, sulfur, and thallium while grayite is a hexagonal-trapezohedral mineral containing calcium, hydrogen, lead, oxygen, phosphorus, and thorium.
rayite
English
Noun
(mineralogy) A monoclinic-prismatic mineral containing antimony, lead, silver, sulfur, and thallium.
References
* Rayite in the Mineralogy Database: [http://webmineral.com/data/Rayite.shtml] grayite
English
Noun
(mineral) A hexagonal-trapezohedral mineral containing calcium, hydrogen, lead, oxygen, phosphorus, and thorium.
References
* Grayite in the Mineralogy Database: [http://webmineral.com/data/Grayite.shtml]