Ornamental gems
オーナメンタル・ストーン
装饰宝石
Ornamental gems
Pierres ornementales
Glossary
Thematic
Jewellery, Technic
Any microcrystalline gemstone. Some examples are: Agate, Onyx, Sodalite, Malachite, etc. These ornamental stones are mostly used for watch dials.