Search Results - D. A. Petrochenkov

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  1. 1
    CONCRETIONS WITH FOSSILS OF THE ULYANOVSK REGION - A NEW KIND OF JEWELRY-ORNAMENTAL RAW MATERIALS

    CONCRETIONS WITH FOSSILS OF THE ULYANOVSK REGION - A NEW KIND OF JEWELRY-ORNAMENTAL RAW MATERIALS by D. A. Petrochenkov

    Published 2018-04-01
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  2. 2
    Mineral composition and gemological characteristics of jewelry-ornamental ammonites of the Republic of Adygea

    Mineral composition and gemological characteristics of jewelry-ornamental ammonites of the Republic of Adygea by D. A. Petrochenkov

    Published 2019-03-01
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  3. 3
    GEMMOLOGICAL CHARACTERISTICS OF SENGILIT — A NEW KIND OF JEWELRY-ORNAMENTAL RAW MATERIALS OF THE ULYANOVSK REGION

    GEMMOLOGICAL CHARACTERISTICS OF SENGILIT — A NEW KIND OF JEWELRY-ORNAMENTAL RAW MATERIALS OF THE ULYANOVSK REGION by D. A. PETROCHENKOV

    Published 2018-08-01
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  4. 4
    COLLECTION AND JEWELLERY CASSITERITES OF THE IULTIN DEPOSIT

    COLLECTION AND JEWELLERY CASSITERITES OF THE IULTIN DEPOSIT by D. A. Petrochenkov

    Published 2018-02-01
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  5. 5
    Mineral composition and gemological characteristics of the fossil marine reptiles of the Ulyanovsk region

    Mineral composition and gemological characteristics of the fossil marine reptiles of the Ulyanovsk region by D. A. Petrochenkov

    Published 2018-11-01
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  6. 6
    Mineral and structural features of jewelery wood tin

    Mineral and structural features of jewelery wood tin by D. A. Petrochenkov

    Published 2017-08-01
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  7. 7
    Mineral composition and gemological characteristics of the petrified wood of the Ulyanovsk region

    Mineral composition and gemological characteristics of the petrified wood of the Ulyanovsk region by D. A. Petrochenkov

    Published 2019-01-01
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  8. 8
    MINERAL COMPOSITION AND STRUCTURAL FEATURES OF JEWELER AMMONITES FROM KOSTROMA REGION

    MINERAL COMPOSITION AND STRUCTURAL FEATURES OF JEWELER AMMONITES FROM KOSTROMA REGION by D. A. Petrochenkov

    Published 2017-04-01
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  9. 9
    Jewelry Morocco septaria. Gemological characteristics and mineral composition

    Jewelry Morocco septaria. Gemological characteristics and mineral composition by D. A. Petrochenkov

    Published 2023-05-01
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  10. 10
    Gemological characteristics of jewelry-ornamental septaria of the Ulyanovsk region

    Gemological characteristics of jewelry-ornamental septaria of the Ulyanovsk region by D. A. Petrochenkov

    Published 2019-05-01
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  11. 11
    Mineralogy of interior jewellery ammonites of the Samara region

    Mineralogy of interior jewellery ammonites of the Samara region by D. A. Petrochenkov, E. Yu. Baraboshkin

    Published 2022-10-01
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  12. 12
    Mineral composition and structural features of jewelry ammonites from mine OJSC «Mikhailovcement», Ryazan region

    Mineral composition and structural features of jewelry ammonites from mine OJSC «Mikhailovcement», Ryazan region by D. A. Petrochenkov, A. V. Petrov

    Published 2019-09-01
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  13. 13
    Jewelry and ornamental concretions with fossils of the Republic of Kabardino-Balkaria. Mineral composition, gemological characteristics

    Jewelry and ornamental concretions with fossils of the Republic of Kabardino-Balkaria. Mineral composition, gemological characteristics by D. A. Petrochenkov, E. Yu. Baraboshkin

    Published 2023-12-01
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