pierres précieuses

日時 Feb 07, 2024投稿者： riyo de / 0件のコメント

Niccolite (Nickeline) Gemstone Introduction Niccolite, also known as nickeline, is a rare and captivating gemstone known for its unique properties and vibrant colors. It is primarily composed of nickel arsenide (NiAs) and is valued for both its industrial applications and metaphysical properties. Niccolite is a reddish semi-precious gemstone with a metallic luster and a hardness of about 5.5 on the Mohs scale. Physical Properties · Chemical Composition: Niccolite is primarily composed of nickel arsenide (NiAs). · Color: It typically appears in shades of copper-red to peachy-red, with variations due to... 続きを読む

日時 Feb 07, 2024投稿者： riyo de / 0件のコメント

Pierres précieuses de Neptunite

日時 Feb 07, 2024投稿者： riyo de / 0件のコメント

Pierres précieuses en jade néphrite

日時 Feb 07, 2024投稿者： riyo de / 0件のコメント

Pierres précieuses néphélines

日時 Feb 07, 2024投稿者： riyo de / 0件のコメント

Pierres précieuses d'apatite bleu néon