gemma

Also known as gem, jewel, fine gem, precious stone, semiprecious stone

parte di un minerale usato in oreficeria

AI overview

A gemstone is a mineral or crystal that is valued for its beauty and rarity, and can be either precious (like diamonds, sapphires, and rubies) or semiprecious (like emeralds and amethysts). Gemstones matter because they are prized for jewelry and decoration, and their value depends on qualities like their natural rarity and how they are cut and polished.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Instance of: stone
Subclass of: mineral
Image: Gem.pebbles.800pix.jpg
Has use: decoration

Show 5 more facts

Unicode character: 💎
Commons category: Gemstones
topic's main category: Category:Gemstones
topic has template: Template:Gemstone
studied by: gemology

Sources (5)

via Wikidata · CC0

Article · Italiano

Una gemma, nella mineralogia, indica un insieme di materiali di diversa origine (anche se la grande maggioranza è costituita da minerali), che a causa della loro specifica lucentezza, colore, trasparenza e brillantezza, oltre che per la loro rarità, assumono un elevato valore economico.

Abstract from DBpedia / Wikipedia · CC BY-SA