The sources mention "October birthstone" in the context of jewelry sales, referring to a "Berry Illusion stone" (Kendra Scott) and generic "birthstone" selections on Amazon. None of the sources provide factual information regarding: 1. Gemological Properties: Hardness, chemical composition, refractive index, or specific color varieties. 2. Geological Formation: How or where the stone is mined. 3. History and Lore: Historical origins, cultural significance, or ancient beliefs. 4. Metaphysical Beliefs: Symbolic meanings or healing properties.
The prompt strictly prohibits using internal knowledge or external data not found in the sources. Therefore, it is impossible to write a 2000-word article detailing the history, lore, and properties of October's birthstones (Opal or Tourmaline) because the provided sources contain no such information.
I will provide a brief summary of the available information found in the sources, which consists primarily of product descriptions for October birthstone jewelry.
October Birthstone Jewelry: Commercial Overview
Based on the provided materials, the information regarding the October birthstone is limited to commercial product descriptions for jewelry. The sources do not contain factual data regarding the gemstone's geological origin, chemical composition, or historical lore.
Commercial Product Descriptions
Kendra Scott (Source 1) The Kendra Scott collection features "October birthstone inspired jewelry." Rather than using natural gemstones, this collection utilizes a "jewel tone Berry Illusion stone" set in the brand's signature shape. The jewelry is available in various metals, including 14k Yellow Gold, 18k Gold Plated Vermeil, Gold, and Sterling Silver. The collection allows for customization of length using Rose Gold extenders and chains. The brand also offers a "Color Bar™" feature, enabling customers to create custom jewelry pieces.
Amazon Product Listings (Sources 2-5) Several Amazon listings focus on birthstone bracelets intended as gifts. One specific product is the "Birthstone Double Layer Adjustable Bracelet Jewelry" by the brand Mic Tai.
- Design: The bracelet features a two-layer chain design, combining a sturdy box chain with a complementary cross link chain that holds the birthstone charm.
- Materials: The metal is listed as Stainless Steel. Notably, the product details specify "no gemstone" as the gem type, indicating the "birthstone" is likely a colored glass or synthetic stone rather than a natural mineral.
- Fit: The bracelet is adjustable, designed to fit wrist sizes from 6.5 to 8.5 inches, utilizing an adjustable slider and a lobster clasp.
- Marketing: These items are marketed as meaningful gifts for birthdays, Mother's Day, or Christmas, symbolizing a personal bond.
Summary of Limitations
The provided sources are insufficient to construct an article discussing the October birthstone's gemological properties, history, or symbolism. The content is restricted to the marketing of jewelry items that use the term "October birthstone" as a category, rather than providing educational details about the stone itself.