Ratna wilis: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
Dibuat dengan menerjemahkan halaman "Peridot" |
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(11 revisi perantara oleh 4 pengguna tidak ditampilkan) | |||
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{{Infobox mineral
| name = Ratna wilis
| category = [[Silicate mineral]]s
| boxwidth =
|- class="mw-file-description" href="./File:Forsterite-Olivine-tmu14a.jpg"▼
| boxbgcolor = #acdf7d
| 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]]
'''Peridot''' atau '''zabarjad''' ( {{IPAc-en|ˈ|p|ɛ|r|ɪ|ˌ|d|ɒ|t|,_|-|ˌ|d|oʊ}} {{Respell|PERR|ih|dot|,_|-|doh}} ), terkadang disebut '''chrysolite''', adalah varietas [[olivin]] transparan [[Hijau pupus|berwarna hijau kekuningan]] . Zabarjad adalah salah satu dari sedikit [[batu permata]] yang muncul hanya dalam satu warna.▼
| 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'''
== Penampilan ==
== Sifat mineral ==
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=== Struktur kristal ===
[[Berkas:Atomic_structure_of_olivine_1.png|jmpl| Struktur skala atom olivin terlihat sepanjang ''sumbu'' . Oksigen ditampilkan dalam warna merah, silikon berwarna merah muda, dan magnesium/besi berwarna biru. Proyeksi sel satuan ditunjukkan oleh persegi panjang hitam.]]
Struktur molekul
=== Properti permukaan ===
Oksidasi
== Referensi ==
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