{"product_id":"one-kg-facet-grade-rough-prasiolite-for-cutting-green-amethsyt-bulk-parcel","title":"One Kg Facet Grade Rough Prasiolite for Cutting - Green Amethsyt Bulk Parcel","description":"\u003cp\u003e\u003cspan data-sider-select-id=\"375bf0ac-6538-4915-bc91-df003e185ed5\"\u003e1000 grams \/ 1 kilo gram prasiolite rough stones for faceting. The stones have very nice clarity and are of big sizes. It gives you opportunity to cut them into a desired large faceted stones which can be set as a center piece for any type of jewelry such as bracelet, necklaces, earrings, rings. \u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDetails of Deal\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStone Name\u003c\/strong\u003e: Prasiolite (Also Popular as Green Amethyst or Green Quartz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Weight:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e1000 Grams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 5 to 20 grams more or less per piece\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e VS, VVS, Eye Clean\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eheated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBrazil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"_h2_pkyxj_34\" id=\"technical-analysis-prasiolite-rough-lot\"\u003eTechnical Analysis for Prasiolite Rough Lot\u003c\/h2\u003e\n\u003ch3 class=\"_h3_pkyxj_40\" id=\"good-factors-for-cutting\"\u003eFACTORS FOR CUTTING OF STONES\u003c\/h3\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eClarity \u0026amp; Transparency:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e This lot has excellent optical clarity with minimal inclusions visible. Most stones in the lot are with gem-grade transparency suitable for brilliant cuts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eColor Distribution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The lot has even pale green saturation throughout the pieces. No obvious color zoning or dead spots are found in this lot that would limit cutting options.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eCrystal Structure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Some stones are well-formed quartz crystals and mostly will be irregular shapes. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eSize Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The stones will give good sizes ranging from 5-20mm pieces, allowing for multiple carat weights and matched sets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eMaterial Quality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The clean fracture surfaces indicate good structural integrity without internal stress fractures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"_h3_pkyxj_40\" id=\"challenging-factors\"\u003eCHALLENGING FACTORS\u003c\/h3\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eSurface Condition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Some pieces show weathering\/etching that may indicate deeper flaws requiring more material removal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eInclusion Patterns:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Few pieces can have internal veiling that could limit transparency in finished stones.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eShape Irregularity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Some stones may lack clear crystallographic orientation\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"_h3_pkyxj_40\" id=\"cutting-guidelines--pro-tips\"\u003eCUTTING GUIDELINES \u0026amp; PRO TIPS\u003c\/h3\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eOrientation Strategy:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Always orient table perpendicular to C-axis for maximum color depth. Use polariscope to identify optical axis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eHeat Management:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Keep cutting temperatures below 300°F. Prasiolite can revert to colorless quartz with excessive heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003ePreforming:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Remove all surface weathering first. What looks like surface etching often goes deeper than expected.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eInclusion Handling:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Plan cuts to either completely avoid or strategically place small inclusions near pavilion where they're less visible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003eYield Optimization:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Expect 45-65% yield.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003ePro Cutting Sequence:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Rough shape → heat check → fine preform → faceting. Always test a small piece first if color stability is questionable\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"_h2_pkyxj_34\" id=\"5-key-faqs-for-buyerslapidary-artists\"\u003e5 Key FAQs for Rough Stone Buyers \/ Lapidary Artists\u003c\/h2\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003e1. What's the hardness and workability?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cspan\u003ePrasiolite rates 7 on Mohs scale. It can be cut easily with standard diamond wheels, and takes an excellent polish. No special handling required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003e2. Will the color fade or change?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cspan\u003eNatural prasiolite is generally stable, but avoid excessive heat during cutting as some green amethyst can revert to clear quartz above 400°F.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003e3. What yield can I expect?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cspan\u003eBased on the clarity visible, expect 40-60% yield depending on your cutting style and inclusion avoidance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003e4. Best cutting orientations?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cspan\u003eCut perpendicular to the C-axis for best color saturation. The natural crystal faces can guide optimal orientation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_p_pkyxj_65\"\u003e\u003cstrong\u003e\u003cspan\u003e5. What finished sizes are possible?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e These pieces could yield stones ranging from 2-15 carats, with several suitable for matched pairs or suites.\u003c\/span\u003e\u003c\/p\u003e","brand":"Folkmarketgems","offers":[{"title":"Default Title","offer_id":51750077169986,"sku":null,"price":6000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/5376\/6978\/files\/Buy_Rough_Prasiolite_Stone_-_Green_Amethyst.jpg?v=1767077077","url":"https:\/\/www.bullvendors19.com\/products\/one-kg-facet-grade-rough-prasiolite-for-cutting-green-amethsyt-bulk-parcel","provider":"Bull Vendors 19","version":"1.0","type":"link"}