Templat:Infobox mineral

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Batu delima
Kristal batu delima alami
Umum
KategoriVariasi mineral
Rumus kimiaaluminium oksida dengan kromium, Al2O3:Cr
Identifikasi
WarnaMerah, bisa kecoklatan, keunguan atau kemerahjambuan
PerawakanBervariasi tergantung daerahnya. Prisma heksagonal bertabel buntu.
Sistem kristalKelompok Ruang Simbol (-3 2/m) Trigonal (Heksagonal Skalenohedral): R-3c
BelahanTidak ada bersihan asli
PecahanTidak genap atau konkoidal
Kekerasan (Skala Mohs)9.0
KilapKekacaan
Goresputih
Diafaneitastransparan
Massa jenis4'000 Kg/m3
Indeks biasnω=1.768 - 1.772 nε=1.760 - 1.763, Bias ganda 0.008
PleokroismeMerah kejinggaan, merah keunguan
Fluoresens ultravioletmerah di bawah gelombang panjang
Titik lebur2044 °C
Kelarutantidak ada
Variasi utama
SafirSemua warna kecuali merah
Korundumberbagai warna
EmeriGranuler
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| color       = 
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| system      = 
| twinning    = 
| cleavage    = 
| fracture    = 
| tenacity    = 
| mohs        = 
| luster      = 
| streak      = 
| diaphaneity = 
| gravity     = 
| density     = 
| polish      = 
| opticalprop = 
| refractive  = 
| birefringence = 
| pleochroism = 
| 2V          = 
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| length fast/slow =
| fluorescence = 
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| melt        = 
| fusibility  = 
| diagnostic  = 
| solubility  = 
| impurities  = 
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| prop1       = 
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| var1        = 
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}}

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