Therefore, a comprehensive article detailing a specific gemstone's history, science, and lore cannot be generated from the provided data. Below is a summary of the information available in the sources.
Summary of Available Information
The provided sources describe a category of jewelry known as "grandma necklaces" or "family birthstone necklaces." These products are designed as sentimental gifts to celebrate family bonds, particularly the relationship between a grandmother and her children or grandchildren.
Product Description: * Design: The necklaces often feature a cascading pendant or multiple settings to hold teardrop or other shaped gemstones. Each stone represents a family member (child or grandchild). * Customization: The primary appeal is personalization. Customers can select birthstones corresponding to the birth months of family members. * Materials: The jewelry is available in various metals, including sterling silver, gold vermeil, and oxidized silver. * Occasions: These items are marketed for significant occasions such as Mother's Day, Christmas, birthdays, and other holidays.
Commercial Context: * The sources are primarily e-commerce product pages and marketing descriptions. * They emphasize the emotional value of the gifts, describing them as "meaningful keepsakes" and "tokens of love." * There is a focus on production speed and shipping logistics for holiday deadlines (specifically Christmas).
Missing Information: The sources fail to identify any specific gemstone or provide any gemological data. There is no mention of: * Chemical composition or hardness (Mohs scale). * Refractive index or specific gravity. * Mining locations or geological formation. * Historical use or ancient lore. * Specific metaphysical beliefs associated with any birthstone.
Because the prompt requires that all factual claims about gemstone properties, history, and lore come strictly from the provided sources, it is not possible to fulfill the request for a detailed 2000-word article on a specific gemstone.