Summary of Available Information: The provided sources consist of: 1. A product page for a "Birthstone Heart Necklace" from Gorjana, detailing chain lengths and styles but providing no information about the specific gemstone used. 2. Various website navigation and content snippets from Amazon, covering categories such as beauty, toys, home goods, and gaming, with no specific mention of gemstones or birthstones.
Without factual data on a specific gemstone, it is impossible to construct an expert article that adheres to the strict guidelines requiring accurate, sourced information on gemological properties, history, and symbolism.