用于鉴定天然琥珀的测试: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odor if heated; Has a characteristic colour under UV rays.
Shipping: safely packed, courier mail with tracked ID. Usual time of delivery: 2-7 business days.
用于鉴定天然琥珀的测试: Floats in the salt water, sinks in fresh water; Acetone resistant; Has characteristics of pine resin odor if heated; Has a characteristic colour under UV rays.
Shipping: safely packed, courier mail with tracked ID. Usual time of delivery: 2-7 business days.