Schumann, Walter
Gemstones of the world
Sterling, 1997
 Buku Referensi
Riza Harmain
Persebaran pengrajin batu mulia di Desa Datarnangka Kecamatan Sagaranten Kabupaten Sukabumi = The spatial dissemination of gemstone Craftsmans in Datarnangka Village Aagaranten sub District Sukabumi Regency
2016
 UI - Skripsi (Membership)
Fenny Andreayani
Analisis logam mulia dan indeks volatilitas vix sebagai instrumen hedging atas pasar saham emerging asia periode 1997 2014 = Analysis of precious metal amd volatility index as hedging instrument for emerging asia capital market period 1997 2014 / Fenny Andreayani
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
 UI - Skripsi (Membership)
Webster, Robert
Gems: their sources, descriptions and identification/Robert Webster, revised by B.W. Anderson.
Butterworth, 1983
 Buku Teks
Read, P.G.
Dictionary of gemmology
Butterworth Scientific, 1988
 Buku Referensi