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| හරිතමණී හෙවත් ජේඩයිට් | |
|---|---|
 Jadeite from | |
| General | |
| Category | group |
| NaAlSi2O6 or Na(Al,Fe3+)Si2O6 | |
| 9.DA.25 | |
| C2/c | |
| Identification | |
| පාට / පැහැය | Apple-green, emerald-green, bluish green, leek-green, purplish blue, greenish white, white, black, may show green spots, rarely blue or violet; colorless in thin section. Often also banded. |
| Commonly massive, or fibrous, granular; prismatic crystals rare | |
| Single and lamellar twinning on [100] and [001] | |
| Good on [110] | |
| Splintery | |
| hardness | 6.5–7 |
| Subvitreous, pearly on cleavages | |
| White | |
| Translucent | |
| 3.24 to 3.43 | |
| Polish luster | vitreous to greasy |
| Optical properties | Biaxial (+) |
| nα = 1.654 – 1.673 nβ = 1.659 – 1.679 nγ = 1.667 – 1.693 | |
| δ = 0.013 – 0.020 | |
| r > v; moderate to strong. | |
| Ultraviolet | Dark colors are generally inert. Light green – inert to weak white in long wave, generally inert in short wave; light yellow – inert to weak green in long wave, generally inert in short wave; white – inert to weak in long wave, generally inert in short wave; light purple – inert to weak white or weak brownish red in long wave, generally inert in short wave; some dyed lavender colors – moderate to strong orange in long wave, weaker in short wave |
| References | |
- (Gia), Gemological. Gem Reference Guide. City: (GIA), 1988. ISBN
- "Handbook of Mineralogy : Jadeite Na(Al; Fe3+)Si2O6" (PDF). Rruff.geo.arizona.edu. සම්ප්රවේශය 25 January 2022.
- "Jadeite: Mineral information, data and localities". Mindat.org.
- "A to Z List". Webmineral.com.
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හර තමණ හ වත ජ ඩය ට Jadeite fromGeneralCategorygroupNaAlSi2O6 or Na Al Fe3 Si2O69 DA 25C2 cIdentificationප ට ප හ යApple green emerald green bluish green leek green purplish blue greenish white white black may show green spots rarely blue or violet colorless in thin section Often also banded Commonly massive or fibrous granular prismatic crystals rareSingle and lamellar twinning on 100 and 001 Good on 110 Splinteryhardness6 5 7Subvitreous pearly on cleavagesWhiteTranslucent3 24 to 3 43Polish lustervitreous to greasyOptical propertiesBiaxial na 1 654 1 673 nb 1 659 1 679 ng 1 667 1 693d 0 013 0 020r gt v moderate to strong UltravioletDark colors are generally inert Light green inert to weak white in long wave generally inert in short wave light yellow inert to weak green in long wave generally inert in short wave white inert to weak in long wave generally inert in short wave light purple inert to weak white or weak brownish red in long wave generally inert in short wave some dyed lavender colors moderate to strong orange in long wave weaker in short waveReferences Gia Gemological Gem Reference Guide City GIA 1988 ISBN 0 87311 019 6 Handbook of Mineralogy Jadeite Na Al Fe3 Si2O6 PDF Rruff geo arizona edu සම ප රව ශය 25 January 2022 Jadeite Mineral information data and localities Mindat org A to Z List Webmineral com