Apps like Minerals guide

Here are some great alternatives to Minerals guide by Anna Voronich :
Rock Identifier - Gemstone
Rock Identifier - Gemstone
★3.8
Rock: Identifier & Stone ID
Rock: Identifier & Stone ID
★3.9
Rock Identifier: Crystal Stone
Rock Identifier: Crystal Stone
★4.5
Rock ID - Stone Identifier
Rock ID - Stone Identifier
★4.4
Rock Identifier by Photo
Rock Identifier by Photo
★4.1
Rock Identifier, Stone Scanner
Rock Identifier, Stone Scanner
★4.1
Wesnap: Rock Identifier
Wesnap: Rock Identifier
★3.8
Rock Scanner -Stone Identifier
Rock Scanner -Stone Identifier
★3.4
Rock Identifier: Stone ID
Rock Identifier: Stone ID
★4.5
Identify Rocks & Stones ID
Identify Rocks & Stones ID
★4.3
Crystal Guide® Pocket Edition
Crystal Guide® Pocket Edition
★4.6
Stone Identifier Rock Scanner
Stone Identifier Rock Scanner
★4.2
Crystalyze: Crystal Guide
Crystalyze: Crystal Guide
★4.7
Hero RockID - Stone Identifier
Hero RockID - Stone Identifier
★3.9
Stones and Crystals - Identify
Stones and Crystals - Identify
★4.3
Geology Toolkit Premium
Geology Toolkit Premium
★4.6