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Principles of Raw Diamond Mineral Cutting: The Science of Weight Management, Proportionality, and the Physics of Reflection

Now studying the cut of rough diamonds, I want to tell you a little bit. Diamonds are crystals with a natural structure of eight pages, which the cut artist has to calculate both weight and proportion to get the most beautiful sparkle. The division of the ore into main and secondary parts is very important to maintain weight and value. Think about it, the exhaustion of the mechanic is really awesome. It's really interesting to see how to make the diamond look the best from the same raw ore.# Diamonds # Uncut # Jewel # Diamond teacher # diamonds

Let's Collect Minerals by Bunchong Tientong🌻

4/2 Edited to

... Read moreหลังจากที่ได้ศึกษาเรื่องการเจียระไนเพชรดิบมา ผมต้องบอกเลยว่าการเจียระไนเพชรไม่ใช่แค่เรื่องของการตัดแต่งรูปร่างให้สวยงามเท่านั้น แต่เป็นการคำนวณที่ละเอียดอ่อนทั้งในแง่น้ำหนักและสัดส่วนเพื่อให้ได้ประกายแสงที่ดีที่สุดจากผลึกแปดหน้าโดยธรรมชาติ ซึ่งช่างเจียระไนต้องรู้จักเทคนิคบริหารน้ำหนักพิเศษ เช่น การแบ่งแร่เป็นเพชรเม็ดหลักและเพชรเม็ดรอง เพื่อรักษามูลค่าโดยรวมของแร่ดิบ ผมลองเข้าไปศึกษาการเจียระไนในอุดมคติ (Ideal Cut) ที่เน้นการสะท้อนกลับของแสงภายในตัวเพชร 95% ซึ่งช่วยเพิ่มความเป็นประกาย (Brilliance), ไฟ (Fire) และความส่องสว่าง (Scintillation) โดยมีการวัดมุมคราวน์และพาวิลเลียนอย่างแม่นยำเพื่อหลีกเลี่ยงการสูญเสียแสง เช่น ปัญหาหน้าเพชรแบนเกินไป (Shallow Cut) หรือหน้าลึกเกินไป (Deep Cut) ที่จะลดความสว่างลงอย่างเห็นได้ชัด ประสบการณ์จริงพบว่าในการเจียระไน การฝืนสัดส่วนหรือเน้นรักษาน้ำหนักมากเกินไป อาจส่งผลให้เพชรดูจืดชืด หน้าเพชรมืดทึบและสูญเสียการสะท้อนแสงที่ควรจะมี ถึงแม้ว่าปริมาณกะรัตจะสูงแต่ความสวยงามโดยรวมอาจลดลงอย่างน่าเสียดาย ช่างต้องใช้ทักษะการดัดแบ่งผลึกแปดหน้าโดยไม่ตัดแบ่งครึ่งกึ่งกลาง แต่มองหาเส้นแยก (Sawing Line) ที่ช่วยให้เพชรเม็ดหลักและเม็ดรองยังคงน้ำหนักและความคมชัดมากที่สุด รวมถึงการใช้เครื่องมือเฉพาะทางช่วยวัดและประเมินสมรรถนะการสะท้อนแสงของเพชรอย่างละเอียด ในฐานะผู้รักและสะสมแร่ผมเห็นว่าการทำความเข้าใจหลักการฟิสิกส์และวิทยาศาสตร์เบื้องหลังการเจียระไนเพชรดิบ ทำให้เราเห็นคุณค่าของความประณีตและความรู้ที่ช่างเจียระไนต้องสะสมมาหลายปี อีกทั้งยังช่วยให้เราเลือกซื้อเพชรที่มีคุณภาพดีที่สุด โดยเน้นไปที่การสมดุลของน้ำหนักและสัดส่วนเพื่อความงดงามและมูลค่าที่คุ้มค่าที่สุดจากแร่ดิบเพียงชิ้นเดียว

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