拉長石是一種屬於長石族的礦物，其化學式為(Na,Ca)(Al,Si)₄O₈。它最著名的特徵是其獨特的光學效應，即拉長光（labradorescence），這使得它在不同角度下呈現出迷人的顏色變化。拉長石通常呈現灰色、藍色或綠色，其硬度為6至6.5。

拉長石最早於1770年在加拿大的拉布拉多省發現，因此得名。它在北歐文化中被視為神秘之石，據說能夠保護佩戴者免受負面能量影響。在某些文化中，它還被用作通靈工具，以幫助人們與靈界聯繫。

由於其獨特的光學特性和美麗外觀，拉長石在珠寶市場上非常受歡迎。高品質、顏色鮮明且具良好光澤的拉長石價格可達數百至數千美元。收藏家通常尋找那些具有強烈光彩和特殊顏色變化的樣本，以增強其收藏價值。

拉長石被認為是一種強大的保護石，可以幫助佩戴者抵禦負面影響並提升直覺能力。在靈性實踐中，它常用於冥想，以促進內心平靜與啟發創造力。此外，它也被認為有助於促進變革和個人成長。

Labradorite is a feldspar mineral with the chemical formula (Na,Ca)(Al,Si)₄O₈. Its most famous feature is its unique optical effect, known as labradorescence, which causes it to display mesmerizing colors when viewed from different angles. Labradorite typically appears in gray, blue, or green colors and has a hardness of 6 to 6.5.

Labradorite was first discovered in 1770 in Labrador, Canada, from which it derives its name. In Nordic cultures, it is regarded as a mystical stone believed to protect the wearer from negative energies. In some cultures, it is also used as a tool for divination, helping people connect with the spirit world.

Due to its unique optical properties and beautiful appearance, labradorite is highly popular in the jewelry market. High-quality, vividly colored, and well-polished labradorite can fetch prices ranging from hundreds to thousands of dollars. Collectors often seek out samples with strong iridescence and distinctive color variations to enhance the value of their collections.

Labradorite is believed to be a powerful protective stone that can help the wearer ward off negative influences and enhance intuitive abilities. In spiritual practices, it is often used in meditation to promote inner calm and inspire creativity. Additionally, it is thought to facilitate transformation and personal growth.