Ratna wilis: Perbedaan antara revisi
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{{Infobox mineral
| name = Ratna cempaka
| category = [[Silicate mineral]]s
| boxwidth =
| boxbgcolor = #acdf7d
| image = Forsterite-Olivine-tmu14a.jpg
| image size =
| caption =
| formula = {{chem2|(Mg, Fe)2SiO4}}
| molweight =
| color = Yellow, to [[chartreuse (color)|yellow-green]], [[olive (color)|olive-green]], to brownish, sometimes a [[lime (color)|lime green]], to emerald-ish hue
| habit =
| system = [[orthorhombic crystal system|Orthorhombic]]
| twinning = Uncommon, simple twinning can occur on {100}, {011},{012}, cyclic twinning on {031}
| cleavage = Poor on {010} and {110}, {010} cleavage improves with increasing iron content
| fracture = [[conchoidal fracture|Conchoidal]]
| mohs = 6.5–7
| luster = Vitreous to oily
| refractive = 1.64–1.70
| opticalprop =
| birefringence = +0.036
| pleochroism = Weak pale yellow-green to yellow, yellow to yellow orange
| streak = Colorless
| gravity = 3.2–4.3
| melt = Very high
| fusibility = Infusible avoid thermal shock
| diagnostic =
| solubility = Slow in HCl to form gelatinous silica
| diaphaneity = Translucent to transparent
| other =
}}
'''Peridot''' , '''ratna wilis'''<ref>{{Cite web|title=Arti kata ratna - Kamus Besar Bahasa Indonesia (KBBI) Online|url=https://kbbi.web.id/ratna.html|website=kbbi.web.id|access-date=2024-02-02}}</ref> atau '''zabarjad''', terkadang disebut '''chrysolite''', adalah varietas [[olivin]] transparan [[Hijau pupus|berwarna hijau kekuningan]] . Ratna wilis adalah salah satu dari sedikit [[batu permata]] yang muncul hanya dalam satu warna.
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