Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Xtremegems Brecciated Mookaite 925 Sterling Silver Earrings Jewelry 1 1/2" 3759E
Product description: Our merchandise comes directly from our manufactory and they are mainly hand-made, which makes our jewelry even more exceptional and unique. You can be assured of the best quality with unbelievable low price. XTREMEGEMS brings you a wide selection of one-of-a-kind artisan handcrafted jewelry featuring a diverse range of gorgeous gemstones in unique sterling silver settings. Each piece of XTREMEGEMS is individually designed and painstakingly crafted.
Product feature: 100% Solid Sterling Silver, Gemstone(s):Brecciated Mookaite, Total Weight: 3.3 grams, Unique and handcrafted, actual item pictured, Order ships within 1 day from California, ASIN: B01B26OB5U, Date first listed on Amazon: January 25, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Xtremegems
Target attributes: Silhouette
Answer: attribute: silhouette
value: None
source: None